19511240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{4099}}^1$

素因数の和:4134

約数の個数: 64

約数和(自身を含む): 53136000

約数和(自身を除く): 33624760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 280, 340, 476, 595, 680, 952, 1190, 2380, 4099, 4760, 8198, 16396, 20495, 28693, 32792, 40990, 57386, 69683, 81980, 114772, 139366, 143465, 163960, 229544, 278732, 286930, 348415, 487781, 557464, 573860, 696830, 975562, 1147720, 1393660, 1951124, 2438905, 2787320, 3902248, 4877810, 9755620, 19511240]

約数ペア:

[(1, 19511240), (2, 9755620), (4, 4877810), (5, 3902248), (7, 2787320), (8, 2438905), (10, 1951124), (14, 1393660), (17, 1147720), (20, 975562), (28, 696830), (34, 573860), (35, 557464), (40, 487781), (56, 348415), (68, 286930), (70, 278732), (85, 229544), (119, 163960), (136, 143465), (140, 139366), (170, 114772), (238, 81980), (280, 69683), (340, 57386), (476, 40990), (595, 32792), (680, 28693), (952, 20495), (1190, 16396), (2380, 8198), (4099, 4760)]