19475540

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{167}}^1$

素因数の和:214

約数の個数: 96

約数和(自身を含む): 50803200

約数和(自身を除く): 31327660

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 49, 68, 70, 85, 98, 119, 140, 167, 170, 196, 238, 245, 334, 340, 343, 476, 490, 595, 668, 686, 833, 835, 980, 1169, 1190, 1372, 1666, 1670, 1715, 2338, 2380, 2839, 3332, 3340, 3430, 4165, 4676, 5678, 5831, 5845, 6860, 8183, 8330, 11356, 11662, 11690, 14195, 16366, 16660, 19873, 23324, 23380, 28390, 29155, 32732, 39746, 40915, 56780, 57281, 58310, 79492, 81830, 99365, 114562, 116620, 139111, 163660, 198730, 229124, 278222, 286405, 397460, 556444, 572810, 695555, 973777, 1145620, 1391110, 1947554, 2782220, 3895108, 4868885, 9737770, 19475540]

約数ペア:

[(1, 19475540), (2, 9737770), (4, 4868885), (5, 3895108), (7, 2782220), (10, 1947554), (14, 1391110), (17, 1145620), (20, 973777), (28, 695555), (34, 572810), (35, 556444), (49, 397460), (68, 286405), (70, 278222), (85, 229124), (98, 198730), (119, 163660), (140, 139111), (167, 116620), (170, 114562), (196, 99365), (238, 81830), (245, 79492), (334, 58310), (340, 57281), (343, 56780), (476, 40915), (490, 39746), (595, 32732), (668, 29155), (686, 28390), (833, 23380), (835, 23324), (980, 19873), (1169, 16660), (1190, 16366), (1372, 14195), (1666, 11690), (1670, 11662), (1715, 11356), (2338, 8330), (2380, 8183), (2839, 6860), (3332, 5845), (3340, 5831), (3430, 5678), (4165, 4676)]