19933829735

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^2\times {\mathrm{89}}^1\times {\mathrm{431}}^1$

素因数の和:668

約数の個数: 48

約数和(自身を含む): 25379464320

約数和(自身を除く): 5445634585

約数列:

[1, 5, 37, 53, 89, 185, 265, 431, 445, 1961, 2155, 2809, 3293, 4717, 9805, 14045, 15947, 16465, 22843, 23585, 38359, 79735, 103933, 114215, 174529, 191795, 250001, 519665, 845191, 872645, 1210679, 1250005, 1419283, 2033027, 4225955, 6053395, 7096415, 9250037, 10165135, 44795123, 46250185, 75221999, 107750431, 223975615, 376109995, 538752155, 3986765947, 19933829735]

約数ペア:

[(1, 19933829735), (5, 3986765947), (37, 538752155), (53, 376109995), (89, 223975615), (185, 107750431), (265, 75221999), (431, 46250185), (445, 44795123), (1961, 10165135), (2155, 9250037), (2809, 7096415), (3293, 6053395), (4717, 4225955), (9805, 2033027), (14045, 1419283), (15947, 1250005), (16465, 1210679), (22843, 872645), (23585, 845191), (38359, 519665), (79735, 250001), (103933, 191795), (114215, 174529)]