18926700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1$

素因数の和:264

約数の個数: 144

約数和(自身を含む): 61829376

約数和(自身を除く): 42902676

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 23, 25, 26, 30, 39, 46, 50, 52, 60, 65, 69, 75, 78, 92, 100, 115, 130, 138, 150, 156, 195, 211, 230, 260, 276, 299, 300, 325, 345, 390, 422, 460, 575, 598, 633, 650, 690, 780, 844, 897, 975, 1055, 1150, 1196, 1266, 1300, 1380, 1495, 1725, 1794, 1950, 2110, 2300, 2532, 2743, 2990, 3165, 3450, 3588, 3900, 4220, 4485, 4853, 5275, 5486, 5980, 6330, 6900, 7475, 8229, 8970, 9706, 10550, 10972, 12660, 13715, 14559, 14950, 15825, 16458, 17940, 19412, 21100, 22425, 24265, 27430, 29118, 29900, 31650, 32916, 41145, 44850, 48530, 54860, 58236, 63089, 63300, 68575, 72795, 82290, 89700, 97060, 121325, 126178, 137150, 145590, 164580, 189267, 205725, 242650, 252356, 274300, 291180, 315445, 363975, 378534, 411450, 485300, 630890, 727950, 757068, 822900, 946335, 1261780, 1455900, 1577225, 1892670, 3154450, 3785340, 4731675, 6308900, 9463350, 18926700]

約数ペア:

[(1, 18926700), (2, 9463350), (3, 6308900), (4, 4731675), (5, 3785340), (6, 3154450), (10, 1892670), (12, 1577225), (13, 1455900), (15, 1261780), (20, 946335), (23, 822900), (25, 757068), (26, 727950), (30, 630890), (39, 485300), (46, 411450), (50, 378534), (52, 363975), (60, 315445), (65, 291180), (69, 274300), (75, 252356), (78, 242650), (92, 205725), (100, 189267), (115, 164580), (130, 145590), (138, 137150), (150, 126178), (156, 121325), (195, 97060), (211, 89700), (230, 82290), (260, 72795), (276, 68575), (299, 63300), (300, 63089), (325, 58236), (345, 54860), (390, 48530), (422, 44850), (460, 41145), (575, 32916), (598, 31650), (633, 29900), (650, 29118), (690, 27430), (780, 24265), (844, 22425), (897, 21100), (975, 19412), (1055, 17940), (1150, 16458), (1196, 15825), (1266, 14950), (1300, 14559), (1380, 13715), (1495, 12660), (1725, 10972), (1794, 10550), (1950, 9706), (2110, 8970), (2300, 8229), (2532, 7475), (2743, 6900), (2990, 6330), (3165, 5980), (3450, 5486), (3588, 5275), (3900, 4853), (4220, 4485)]