18701014760

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{263}}^1\times {\mathrm{41341}}^1$

素因数の和:41658

約数の個数: 64

約数和(自身を含む): 43220580480

約数和(自身を除く): 24519565720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 263, 344, 430, 526, 860, 1052, 1315, 1720, 2104, 2630, 5260, 10520, 11309, 22618, 41341, 45236, 56545, 82682, 90472, 113090, 165364, 206705, 226180, 330728, 413410, 452360, 826820, 1653640, 1777663, 3555326, 7110652, 8888315, 10872683, 14221304, 17776630, 21745366, 35553260, 43490732, 54363415, 71106520, 86981464, 108726830, 217453660, 434907320, 467525369, 935050738, 1870101476, 2337626845, 3740202952, 4675253690, 9350507380, 18701014760]

約数ペア:

[(1, 18701014760), (2, 9350507380), (4, 4675253690), (5, 3740202952), (8, 2337626845), (10, 1870101476), (20, 935050738), (40, 467525369), (43, 434907320), (86, 217453660), (172, 108726830), (215, 86981464), (263, 71106520), (344, 54363415), (430, 43490732), (526, 35553260), (860, 21745366), (1052, 17776630), (1315, 14221304), (1720, 10872683), (2104, 8888315), (2630, 7110652), (5260, 3555326), (10520, 1777663), (11309, 1653640), (22618, 826820), (41341, 452360), (45236, 413410), (56545, 330728), (82682, 226180), (90472, 206705), (113090, 165364)]