18646628

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4657}}^1$

素因数の和:4692

約数の個数: 48

約数和(自身を含む): 43822464

約数和(自身を除く): 25175836

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 182, 286, 308, 364, 572, 1001, 2002, 4004, 4657, 9314, 18628, 32599, 51227, 60541, 65198, 102454, 121082, 130396, 204908, 242164, 358589, 423787, 665951, 717178, 847574, 1331902, 1434356, 1695148, 2663804, 4661657, 9323314, 18646628]

約数ペア:

[(1, 18646628), (2, 9323314), (4, 4661657), (7, 2663804), (11, 1695148), (13, 1434356), (14, 1331902), (22, 847574), (26, 717178), (28, 665951), (44, 423787), (52, 358589), (77, 242164), (91, 204908), (143, 130396), (154, 121082), (182, 102454), (286, 65198), (308, 60541), (364, 51227), (572, 32599), (1001, 18628), (2002, 9314), (4004, 4657)]