18653700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{4783}}^1$

素因数の和:4813

約数の個数: 72

約数和(自身を含む): 58135168

約数和(自身を除く): 39481468

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 4783, 9566, 14349, 19132, 23915, 28698, 47830, 57396, 62179, 71745, 95660, 119575, 124358, 143490, 186537, 239150, 248716, 286980, 310895, 358725, 373074, 478300, 621790, 717450, 746148, 932685, 1243580, 1434900, 1554475, 1865370, 3108950, 3730740, 4663425, 6217900, 9326850, 18653700]

約数ペア:

[(1, 18653700), (2, 9326850), (3, 6217900), (4, 4663425), (5, 3730740), (6, 3108950), (10, 1865370), (12, 1554475), (13, 1434900), (15, 1243580), (20, 932685), (25, 746148), (26, 717450), (30, 621790), (39, 478300), (50, 373074), (52, 358725), (60, 310895), (65, 286980), (75, 248716), (78, 239150), (100, 186537), (130, 143490), (150, 124358), (156, 119575), (195, 95660), (260, 71745), (300, 62179), (325, 57396), (390, 47830), (650, 28698), (780, 23915), (975, 19132), (1300, 14349), (1950, 9566), (3900, 4783)]