19714940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{2657}}^1$

素因数の和:2726

約数の個数: 48

約数和(自身を含む): 48226752

約数和(自身を除く): 28511812

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 140, 212, 265, 371, 530, 742, 1060, 1484, 1855, 2657, 3710, 5314, 7420, 10628, 13285, 18599, 26570, 37198, 53140, 74396, 92995, 140821, 185990, 281642, 371980, 563284, 704105, 985747, 1408210, 1971494, 2816420, 3942988, 4928735, 9857470, 19714940]

約数ペア:

[(1, 19714940), (2, 9857470), (4, 4928735), (5, 3942988), (7, 2816420), (10, 1971494), (14, 1408210), (20, 985747), (28, 704105), (35, 563284), (53, 371980), (70, 281642), (106, 185990), (140, 140821), (212, 92995), (265, 74396), (371, 53140), (530, 37198), (742, 26570), (1060, 18599), (1484, 13285), (1855, 10628), (2657, 7420), (3710, 5314)]