19286687

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:191

約数の個数: 32

約数和(自身を含む): 24675840

約数和(自身を除く): 5389153

約数列:

[1, 7, 17, 41, 59, 67, 119, 287, 413, 469, 697, 1003, 1139, 2419, 2747, 3953, 4879, 7021, 7973, 16933, 19229, 27671, 41123, 46699, 67201, 162073, 287861, 326893, 470407, 1134511, 2755241, 19286687]

約数ペア:

[(1, 19286687), (7, 2755241), (17, 1134511), (41, 470407), (59, 326893), (67, 287861), (119, 162073), (287, 67201), (413, 46699), (469, 41123), (697, 27671), (1003, 19229), (1139, 16933), (2419, 7973), (2747, 7021), (3953, 4879)]