18961012

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1229}}^1$

素因数の和:1288

約数の個数: 48

約数和(自身を含む): 41328000

約数和(自身を除く): 22366988

約数列:

[1, 2, 4, 7, 14, 19, 28, 29, 38, 58, 76, 116, 133, 203, 266, 406, 532, 551, 812, 1102, 1229, 2204, 2458, 3857, 4916, 7714, 8603, 15428, 17206, 23351, 34412, 35641, 46702, 71282, 93404, 142564, 163457, 249487, 326914, 498974, 653828, 677179, 997948, 1354358, 2708716, 4740253, 9480506, 18961012]

約数ペア:

[(1, 18961012), (2, 9480506), (4, 4740253), (7, 2708716), (14, 1354358), (19, 997948), (28, 677179), (29, 653828), (38, 498974), (58, 326914), (76, 249487), (116, 163457), (133, 142564), (203, 93404), (266, 71282), (406, 46702), (532, 35641), (551, 34412), (812, 23351), (1102, 17206), (1229, 15428), (2204, 8603), (2458, 7714), (3857, 4916)]