19315400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:88

約数の個数: 192

約数和(自身を含む): 56246400

約数和(自身を除く): 36931000

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 19, 20, 23, 25, 26, 34, 38, 40, 46, 50, 52, 65, 68, 76, 85, 92, 95, 100, 104, 115, 130, 136, 152, 170, 184, 190, 200, 221, 230, 247, 260, 299, 323, 325, 340, 380, 391, 425, 437, 442, 460, 475, 494, 520, 575, 598, 646, 650, 680, 760, 782, 850, 874, 884, 920, 950, 988, 1105, 1150, 1196, 1235, 1292, 1300, 1495, 1564, 1615, 1700, 1748, 1768, 1900, 1955, 1976, 2185, 2210, 2300, 2392, 2470, 2584, 2600, 2990, 3128, 3230, 3400, 3496, 3800, 3910, 4199, 4370, 4420, 4600, 4940, 5083, 5525, 5681, 5980, 6175, 6460, 7429, 7475, 7820, 8075, 8398, 8740, 8840, 9775, 9880, 10166, 10925, 11050, 11362, 11960, 12350, 12920, 14858, 14950, 15640, 16150, 16796, 17480, 19550, 20332, 20995, 21850, 22100, 22724, 24700, 25415, 28405, 29716, 29900, 32300, 33592, 37145, 39100, 40664, 41990, 43700, 44200, 45448, 49400, 50830, 56810, 59432, 59800, 64600, 74290, 78200, 83980, 87400, 96577, 101660, 104975, 113620, 127075, 142025, 148580, 167960, 185725, 193154, 203320, 209950, 227240, 254150, 284050, 297160, 371450, 386308, 419900, 482885, 508300, 568100, 742900, 772616, 839800, 965770, 1016600, 1136200, 1485800, 1931540, 2414425, 3863080, 4828850, 9657700, 19315400]

約数ペア:

[(1, 19315400), (2, 9657700), (4, 4828850), (5, 3863080), (8, 2414425), (10, 1931540), (13, 1485800), (17, 1136200), (19, 1016600), (20, 965770), (23, 839800), (25, 772616), (26, 742900), (34, 568100), (38, 508300), (40, 482885), (46, 419900), (50, 386308), (52, 371450), (65, 297160), (68, 284050), (76, 254150), (85, 227240), (92, 209950), (95, 203320), (100, 193154), (104, 185725), (115, 167960), (130, 148580), (136, 142025), (152, 127075), (170, 113620), (184, 104975), (190, 101660), (200, 96577), (221, 87400), (230, 83980), (247, 78200), (260, 74290), (299, 64600), (323, 59800), (325, 59432), (340, 56810), (380, 50830), (391, 49400), (425, 45448), (437, 44200), (442, 43700), (460, 41990), (475, 40664), (494, 39100), (520, 37145), (575, 33592), (598, 32300), (646, 29900), (650, 29716), (680, 28405), (760, 25415), (782, 24700), (850, 22724), (874, 22100), (884, 21850), (920, 20995), (950, 20332), (988, 19550), (1105, 17480), (1150, 16796), (1196, 16150), (1235, 15640), (1292, 14950), (1300, 14858), (1495, 12920), (1564, 12350), (1615, 11960), (1700, 11362), (1748, 11050), (1768, 10925), (1900, 10166), (1955, 9880), (1976, 9775), (2185, 8840), (2210, 8740), (2300, 8398), (2392, 8075), (2470, 7820), (2584, 7475), (2600, 7429), (2990, 6460), (3128, 6175), (3230, 5980), (3400, 5681), (3496, 5525), (3800, 5083), (3910, 4940), (4199, 4600), (4370, 4420)]