1816395464

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{21859}}^1$

素因数の和:21942

約数の個数: 64

約数和(自身を含む): 3966278400

約数和(自身を除く): 2149882936

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 47, 52, 68, 94, 104, 136, 188, 221, 376, 442, 611, 799, 884, 1222, 1598, 1768, 2444, 3196, 4888, 6392, 10387, 20774, 21859, 41548, 43718, 83096, 87436, 174872, 284167, 371603, 568334, 743206, 1027373, 1136668, 1486412, 2054746, 2273336, 2972824, 4109492, 4830839, 8218984, 9661678, 13355849, 17465341, 19323356, 26711698, 34930682, 38646712, 53423396, 69861364, 106846792, 139722728, 227049433, 454098866, 908197732, 1816395464]

約数ペア:

[(1, 1816395464), (2, 908197732), (4, 454098866), (8, 227049433), (13, 139722728), (17, 106846792), (26, 69861364), (34, 53423396), (47, 38646712), (52, 34930682), (68, 26711698), (94, 19323356), (104, 17465341), (136, 13355849), (188, 9661678), (221, 8218984), (376, 4830839), (442, 4109492), (611, 2972824), (799, 2273336), (884, 2054746), (1222, 1486412), (1598, 1136668), (1768, 1027373), (2444, 743206), (3196, 568334), (4888, 371603), (6392, 284167), (10387, 174872), (20774, 87436), (21859, 83096), (41548, 43718)]