18118672

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{7919}}^1$

素因数の和:7951

約数の個数: 40

約数和(自身を含む): 41247360

約数和(自身を除く): 23128688

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 176, 208, 286, 572, 1144, 2288, 7919, 15838, 31676, 63352, 87109, 102947, 126704, 174218, 205894, 348436, 411788, 696872, 823576, 1132417, 1393744, 1647152, 2264834, 4529668, 9059336, 18118672]

約数ペア:

[(1, 18118672), (2, 9059336), (4, 4529668), (8, 2264834), (11, 1647152), (13, 1393744), (16, 1132417), (22, 823576), (26, 696872), (44, 411788), (52, 348436), (88, 205894), (104, 174218), (143, 126704), (176, 102947), (208, 87109), (286, 63352), (572, 31676), (1144, 15838), (2288, 7919)]