18419500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1$

素因数の和:244

約数の個数: 96

約数和(自身を含む): 46702656

約数和(自身を除く): 28283156

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 25, 34, 44, 50, 55, 68, 85, 100, 110, 125, 170, 187, 197, 220, 250, 275, 340, 374, 394, 425, 500, 550, 748, 788, 850, 935, 985, 1100, 1375, 1700, 1870, 1970, 2125, 2167, 2750, 3349, 3740, 3940, 4250, 4334, 4675, 4925, 5500, 6698, 8500, 8668, 9350, 9850, 10835, 13396, 16745, 18700, 19700, 21670, 23375, 24625, 33490, 36839, 43340, 46750, 49250, 54175, 66980, 73678, 83725, 93500, 98500, 108350, 147356, 167450, 184195, 216700, 270875, 334900, 368390, 418625, 541750, 736780, 837250, 920975, 1083500, 1674500, 1841950, 3683900, 4604875, 9209750, 18419500]

約数ペア:

[(1, 18419500), (2, 9209750), (4, 4604875), (5, 3683900), (10, 1841950), (11, 1674500), (17, 1083500), (20, 920975), (22, 837250), (25, 736780), (34, 541750), (44, 418625), (50, 368390), (55, 334900), (68, 270875), (85, 216700), (100, 184195), (110, 167450), (125, 147356), (170, 108350), (187, 98500), (197, 93500), (220, 83725), (250, 73678), (275, 66980), (340, 54175), (374, 49250), (394, 46750), (425, 43340), (500, 36839), (550, 33490), (748, 24625), (788, 23375), (850, 21670), (935, 19700), (985, 18700), (1100, 16745), (1375, 13396), (1700, 10835), (1870, 9850), (1970, 9350), (2125, 8668), (2167, 8500), (2750, 6698), (3349, 5500), (3740, 4925), (3940, 4675), (4250, 4334)]