19969448

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{151}}^1\times {\mathrm{271}}^1$

素因数の和:489

約数の個数: 32

約数和(自身を含む): 38449920

約数和(自身を除く): 18480472

約数列:

[1, 2, 4, 8, 61, 122, 151, 244, 271, 302, 488, 542, 604, 1084, 1208, 2168, 9211, 16531, 18422, 33062, 36844, 40921, 66124, 73688, 81842, 132248, 163684, 327368, 2496181, 4992362, 9984724, 19969448]

約数ペア:

[(1, 19969448), (2, 9984724), (4, 4992362), (8, 2496181), (61, 327368), (122, 163684), (151, 132248), (244, 81842), (271, 73688), (302, 66124), (488, 40921), (542, 36844), (604, 33062), (1084, 18422), (1208, 16531), (2168, 9211)]