19131664

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1901}}^1$

素因数の和:1963

約数の個数: 40

約数和(自身を含む): 40330008

約数和(自身を除く): 21198344

約数列:

[1, 2, 4, 8, 16, 17, 34, 37, 68, 74, 136, 148, 272, 296, 592, 629, 1258, 1901, 2516, 3802, 5032, 7604, 10064, 15208, 30416, 32317, 64634, 70337, 129268, 140674, 258536, 281348, 517072, 562696, 1125392, 1195729, 2391458, 4782916, 9565832, 19131664]

約数ペア:

[(1, 19131664), (2, 9565832), (4, 4782916), (8, 2391458), (16, 1195729), (17, 1125392), (34, 562696), (37, 517072), (68, 281348), (74, 258536), (136, 140674), (148, 129268), (272, 70337), (296, 64634), (592, 32317), (629, 30416), (1258, 15208), (1901, 10064), (2516, 7604), (3802, 5032)]