38993890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{15787}}^1$

素因数の和:15826

約数の個数: 32

約数和(自身を含む): 79571520

約数和(自身を除く): 40577630

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 15787, 31574, 78935, 157870, 205231, 299953, 410462, 599906, 1026155, 1499765, 2052310, 2999530, 3899389, 7798778, 19496945, 38993890]

約数ペア:

[(1, 38993890), (2, 19496945), (5, 7798778), (10, 3899389), (13, 2999530), (19, 2052310), (26, 1499765), (38, 1026155), (65, 599906), (95, 410462), (130, 299953), (190, 205231), (247, 157870), (494, 78935), (1235, 31574), (2470, 15787)]