19340660

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{191}}^1$

素因数の和:344

約数の個数: 48

約数和(自身を含む): 41997312

約数和(自身を除く): 22656652

約数列:

[1, 2, 4, 5, 10, 20, 61, 83, 122, 166, 191, 244, 305, 332, 382, 415, 610, 764, 830, 955, 1220, 1660, 1910, 3820, 5063, 10126, 11651, 15853, 20252, 23302, 25315, 31706, 46604, 50630, 58255, 63412, 79265, 101260, 116510, 158530, 233020, 317060, 967033, 1934066, 3868132, 4835165, 9670330, 19340660]

約数ペア:

[(1, 19340660), (2, 9670330), (4, 4835165), (5, 3868132), (10, 1934066), (20, 967033), (61, 317060), (83, 233020), (122, 158530), (166, 116510), (191, 101260), (244, 79265), (305, 63412), (332, 58255), (382, 50630), (415, 46604), (610, 31706), (764, 25315), (830, 23302), (955, 20252), (1220, 15853), (1660, 11651), (1910, 10126), (3820, 5063)]