19499272

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{269}}^1$

素因数の和:346

約数の個数: 64

約数和(自身を含む): 42865200

約数和(自身を除く): 23365928

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 41, 52, 68, 82, 104, 136, 164, 221, 269, 328, 442, 533, 538, 697, 884, 1066, 1076, 1394, 1768, 2132, 2152, 2788, 3497, 4264, 4573, 5576, 6994, 9061, 9146, 11029, 13988, 18122, 18292, 22058, 27976, 36244, 36584, 44116, 59449, 72488, 88232, 118898, 143377, 187493, 237796, 286754, 374986, 475592, 573508, 749972, 1147016, 1499944, 2437409, 4874818, 9749636, 19499272]

約数ペア:

[(1, 19499272), (2, 9749636), (4, 4874818), (8, 2437409), (13, 1499944), (17, 1147016), (26, 749972), (34, 573508), (41, 475592), (52, 374986), (68, 286754), (82, 237796), (104, 187493), (136, 143377), (164, 118898), (221, 88232), (269, 72488), (328, 59449), (442, 44116), (533, 36584), (538, 36244), (697, 27976), (884, 22058), (1066, 18292), (1076, 18122), (1394, 13988), (1768, 11029), (2132, 9146), (2152, 9061), (2788, 6994), (3497, 5576), (4264, 4573)]