19571643

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1039}}^1$

素因数の和:1088

約数の個数: 48

約数和(自身を含む): 36341760

約数和(自身を除く): 16770117

約数列:

[1, 3, 7, 9, 13, 21, 23, 39, 63, 69, 91, 117, 161, 207, 273, 299, 483, 819, 897, 1039, 1449, 2093, 2691, 3117, 6279, 7273, 9351, 13507, 18837, 21819, 23897, 40521, 65457, 71691, 94549, 121563, 167279, 215073, 283647, 310661, 501837, 850941, 931983, 1505511, 2174627, 2795949, 6523881, 19571643]

約数ペア:

[(1, 19571643), (3, 6523881), (7, 2795949), (9, 2174627), (13, 1505511), (21, 931983), (23, 850941), (39, 501837), (63, 310661), (69, 283647), (91, 215073), (117, 167279), (161, 121563), (207, 94549), (273, 71691), (299, 65457), (483, 40521), (819, 23897), (897, 21819), (1039, 18837), (1449, 13507), (2093, 9351), (2691, 7273), (3117, 6279)]