19807414

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{251}}^1$

素因数の和:492

約数の個数: 32

約数和(自身を含む): 34618752

約数和(自身を除く): 14811338

約数列:

[1, 2, 11, 17, 22, 34, 187, 211, 251, 374, 422, 502, 2321, 2761, 3587, 4267, 4642, 5522, 7174, 8534, 39457, 46937, 52961, 78914, 93874, 105922, 582571, 900337, 1165142, 1800674, 9903707, 19807414]

約数ペア:

[(1, 19807414), (2, 9903707), (11, 1800674), (17, 1165142), (22, 900337), (34, 582571), (187, 105922), (211, 93874), (251, 78914), (374, 52961), (422, 46937), (502, 39457), (2321, 8534), (2761, 7174), (3587, 5522), (4267, 4642)]