19962904

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{6619}}^1$

素因数の和:6667

約数の個数: 32

約数和(自身を含む): 41706000

約数和(自身を除く): 21743096

約数列:

[1, 2, 4, 8, 13, 26, 29, 52, 58, 104, 116, 232, 377, 754, 1508, 3016, 6619, 13238, 26476, 52952, 86047, 172094, 191951, 344188, 383902, 688376, 767804, 1535608, 2495363, 4990726, 9981452, 19962904]

約数ペア:

[(1, 19962904), (2, 9981452), (4, 4990726), (8, 2495363), (13, 1535608), (26, 767804), (29, 688376), (52, 383902), (58, 344188), (104, 191951), (116, 172094), (232, 86047), (377, 52952), (754, 26476), (1508, 13238), (3016, 6619)]