18751150

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{331}}^1$

素因数の和:457

約数の個数: 48

約数和(自身を含む): 38533248

約数和(自身を除く): 19782098

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 103, 110, 206, 275, 331, 515, 550, 662, 1030, 1133, 1655, 2266, 2575, 3310, 3641, 5150, 5665, 7282, 8275, 11330, 16550, 18205, 28325, 34093, 36410, 56650, 68186, 91025, 170465, 182050, 340930, 375023, 750046, 852325, 1704650, 1875115, 3750230, 9375575, 18751150]

約数ペア:

[(1, 18751150), (2, 9375575), (5, 3750230), (10, 1875115), (11, 1704650), (22, 852325), (25, 750046), (50, 375023), (55, 340930), (103, 182050), (110, 170465), (206, 91025), (275, 68186), (331, 56650), (515, 36410), (550, 34093), (662, 28325), (1030, 18205), (1133, 16550), (1655, 11330), (2266, 8275), (2575, 7282), (3310, 5665), (3641, 5150)]