19575890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{523}}^1$

素因数の和:746

約数の個数: 32

約数和(自身を含む): 37350720

約数和(自身を除く): 17774830

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 197, 394, 523, 985, 1046, 1970, 2615, 3743, 5230, 7486, 9937, 18715, 19874, 37430, 49685, 99370, 103031, 206062, 515155, 1030310, 1957589, 3915178, 9787945, 19575890]

約数ペア:

[(1, 19575890), (2, 9787945), (5, 3915178), (10, 1957589), (19, 1030310), (38, 515155), (95, 206062), (190, 103031), (197, 99370), (394, 49685), (523, 37430), (985, 19874), (1046, 18715), (1970, 9937), (2615, 7486), (3743, 5230)]