18965700

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1621}}^1$

素因数の和:1654

約数の個数: 108

約数和(自身を含む): 64059268

約数和(自身を除く): 45093568

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 25, 26, 30, 36, 39, 45, 50, 52, 60, 65, 75, 78, 90, 100, 117, 130, 150, 156, 180, 195, 225, 234, 260, 300, 325, 390, 450, 468, 585, 650, 780, 900, 975, 1170, 1300, 1621, 1950, 2340, 2925, 3242, 3900, 4863, 5850, 6484, 8105, 9726, 11700, 14589, 16210, 19452, 21073, 24315, 29178, 32420, 40525, 42146, 48630, 58356, 63219, 72945, 81050, 84292, 97260, 105365, 121575, 126438, 145890, 162100, 189657, 210730, 243150, 252876, 291780, 316095, 364725, 379314, 421460, 486300, 526825, 632190, 729450, 758628, 948285, 1053650, 1264380, 1458900, 1580475, 1896570, 2107300, 3160950, 3793140, 4741425, 6321900, 9482850, 18965700]

約数ペア:

[(1, 18965700), (2, 9482850), (3, 6321900), (4, 4741425), (5, 3793140), (6, 3160950), (9, 2107300), (10, 1896570), (12, 1580475), (13, 1458900), (15, 1264380), (18, 1053650), (20, 948285), (25, 758628), (26, 729450), (30, 632190), (36, 526825), (39, 486300), (45, 421460), (50, 379314), (52, 364725), (60, 316095), (65, 291780), (75, 252876), (78, 243150), (90, 210730), (100, 189657), (117, 162100), (130, 145890), (150, 126438), (156, 121575), (180, 105365), (195, 97260), (225, 84292), (234, 81050), (260, 72945), (300, 63219), (325, 58356), (390, 48630), (450, 42146), (468, 40525), (585, 32420), (650, 29178), (780, 24315), (900, 21073), (975, 19452), (1170, 16210), (1300, 14589), (1621, 11700), (1950, 9726), (2340, 8105), (2925, 6484), (3242, 5850), (3900, 4863)]