22163740

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{491}}^1$

素因数の和:598

約数の個数: 48

約数和(自身を含む): 48684384

約数和(自身を除く): 26520644

約数列:

[1, 2, 4, 5, 10, 20, 37, 61, 74, 122, 148, 185, 244, 305, 370, 491, 610, 740, 982, 1220, 1964, 2257, 2455, 4514, 4910, 9028, 9820, 11285, 18167, 22570, 29951, 36334, 45140, 59902, 72668, 90835, 119804, 149755, 181670, 299510, 363340, 599020, 1108187, 2216374, 4432748, 5540935, 11081870, 22163740]

約数ペア:

[(1, 22163740), (2, 11081870), (4, 5540935), (5, 4432748), (10, 2216374), (20, 1108187), (37, 599020), (61, 363340), (74, 299510), (122, 181670), (148, 149755), (185, 119804), (244, 90835), (305, 72668), (370, 59902), (491, 45140), (610, 36334), (740, 29951), (982, 22570), (1220, 18167), (1964, 11285), (2257, 9820), (2455, 9028), (4514, 4910)]