18842110

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{457}}^1$

素因数の和:521

約数の個数: 64

約数和(自身を含む): 42209280

約数和(自身を除く): 23367170

約数列:

[1, 2, 5, 7, 10, 14, 19, 31, 35, 38, 62, 70, 95, 133, 155, 190, 217, 266, 310, 434, 457, 589, 665, 914, 1085, 1178, 1330, 2170, 2285, 2945, 3199, 4123, 4570, 5890, 6398, 8246, 8683, 14167, 15995, 17366, 20615, 28334, 31990, 41230, 43415, 60781, 70835, 86830, 99169, 121562, 141670, 198338, 269173, 303905, 495845, 538346, 607810, 991690, 1345865, 1884211, 2691730, 3768422, 9421055, 18842110]

約数ペア:

[(1, 18842110), (2, 9421055), (5, 3768422), (7, 2691730), (10, 1884211), (14, 1345865), (19, 991690), (31, 607810), (35, 538346), (38, 495845), (62, 303905), (70, 269173), (95, 198338), (133, 141670), (155, 121562), (190, 99169), (217, 86830), (266, 70835), (310, 60781), (434, 43415), (457, 41230), (589, 31990), (665, 28334), (914, 20615), (1085, 17366), (1178, 15995), (1330, 14167), (2170, 8683), (2285, 8246), (2945, 6398), (3199, 5890), (4123, 4570)]