18097480

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{7417}}^1$

素因数の和:7489

約数の個数: 32

約数和(自身を含む): 41392440

約数和(自身を除く): 23294960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 7417, 14834, 29668, 37085, 59336, 74170, 148340, 296680, 452437, 904874, 1809748, 2262185, 3619496, 4524370, 9048740, 18097480]

約数ペア:

[(1, 18097480), (2, 9048740), (4, 4524370), (5, 3619496), (8, 2262185), (10, 1809748), (20, 904874), (40, 452437), (61, 296680), (122, 148340), (244, 74170), (305, 59336), (488, 37085), (610, 29668), (1220, 14834), (2440, 7417)]