19328876

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{149}}^1$

素因数の和:314

約数の個数: 48

約数和(自身を含む): 40219200

約数和(自身を除く): 20890324

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 113, 149, 164, 226, 287, 298, 452, 574, 596, 791, 1043, 1148, 1582, 2086, 3164, 4172, 4633, 6109, 9266, 12218, 16837, 18532, 24436, 32431, 33674, 42763, 64862, 67348, 85526, 117859, 129724, 171052, 235718, 471436, 690317, 1380634, 2761268, 4832219, 9664438, 19328876]

約数ペア:

[(1, 19328876), (2, 9664438), (4, 4832219), (7, 2761268), (14, 1380634), (28, 690317), (41, 471436), (82, 235718), (113, 171052), (149, 129724), (164, 117859), (226, 85526), (287, 67348), (298, 64862), (452, 42763), (574, 33674), (596, 32431), (791, 24436), (1043, 18532), (1148, 16837), (1582, 12218), (2086, 9266), (3164, 6109), (4172, 4633)]