17824976

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^2$

素因数の和:180

約数の個数: 60

約数和(自身を含む): 39942756

約数和(自身を除く): 22117780

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 71, 104, 136, 142, 208, 221, 272, 284, 442, 568, 884, 923, 1136, 1207, 1768, 1846, 2414, 3536, 3692, 4828, 5041, 7384, 9656, 10082, 14768, 15691, 19312, 20164, 31382, 40328, 62764, 65533, 80656, 85697, 125528, 131066, 171394, 251056, 262132, 342788, 524264, 685576, 1048528, 1114061, 1371152, 2228122, 4456244, 8912488, 17824976]

約数ペア:

[(1, 17824976), (2, 8912488), (4, 4456244), (8, 2228122), (13, 1371152), (16, 1114061), (17, 1048528), (26, 685576), (34, 524264), (52, 342788), (68, 262132), (71, 251056), (104, 171394), (136, 131066), (142, 125528), (208, 85697), (221, 80656), (272, 65533), (284, 62764), (442, 40328), (568, 31382), (884, 20164), (923, 19312), (1136, 15691), (1207, 14768), (1768, 10082), (1846, 9656), (2414, 7384), (3536, 5041), (3692, 4828)]