18693480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{521}}^1$

素因数の和:571

約数の個数: 128

約数和(自身を含む): 63141120

約数和(自身を除く): 44447640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 23, 24, 26, 30, 39, 40, 46, 52, 60, 65, 69, 78, 92, 104, 115, 120, 130, 138, 156, 184, 195, 230, 260, 276, 299, 312, 345, 390, 460, 520, 521, 552, 598, 690, 780, 897, 920, 1042, 1196, 1380, 1495, 1560, 1563, 1794, 2084, 2392, 2605, 2760, 2990, 3126, 3588, 4168, 4485, 5210, 5980, 6252, 6773, 7176, 7815, 8970, 10420, 11960, 11983, 12504, 13546, 15630, 17940, 20319, 20840, 23966, 27092, 31260, 33865, 35880, 35949, 40638, 47932, 54184, 59915, 62520, 67730, 71898, 81276, 95864, 101595, 119830, 135460, 143796, 155779, 162552, 179745, 203190, 239660, 270920, 287592, 311558, 359490, 406380, 467337, 479320, 623116, 718980, 778895, 812760, 934674, 1246232, 1437960, 1557790, 1869348, 2336685, 3115580, 3738696, 4673370, 6231160, 9346740, 18693480]

約数ペア:

[(1, 18693480), (2, 9346740), (3, 6231160), (4, 4673370), (5, 3738696), (6, 3115580), (8, 2336685), (10, 1869348), (12, 1557790), (13, 1437960), (15, 1246232), (20, 934674), (23, 812760), (24, 778895), (26, 718980), (30, 623116), (39, 479320), (40, 467337), (46, 406380), (52, 359490), (60, 311558), (65, 287592), (69, 270920), (78, 239660), (92, 203190), (104, 179745), (115, 162552), (120, 155779), (130, 143796), (138, 135460), (156, 119830), (184, 101595), (195, 95864), (230, 81276), (260, 71898), (276, 67730), (299, 62520), (312, 59915), (345, 54184), (390, 47932), (460, 40638), (520, 35949), (521, 35880), (552, 33865), (598, 31260), (690, 27092), (780, 23966), (897, 20840), (920, 20319), (1042, 17940), (1196, 15630), (1380, 13546), (1495, 12504), (1560, 11983), (1563, 11960), (1794, 10420), (2084, 8970), (2392, 7815), (2605, 7176), (2760, 6773), (2990, 6252), (3126, 5980), (3588, 5210), (4168, 4485)]