15691308460

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1973}}^1\times {\mathrm{20929}}^1$

素因数の和:22930

約数の個数: 48

約数和(自身を含む): 34705288800

約数和(自身を除く): 19013980340

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 1973, 3946, 7892, 9865, 19730, 20929, 37487, 39460, 41858, 74974, 83716, 104645, 149948, 187435, 209290, 374870, 397651, 418580, 749740, 795302, 1590604, 1988255, 3976510, 7953020, 41292917, 82585834, 165171668, 206464585, 412929170, 784565423, 825858340, 1569130846, 3138261692, 3922827115, 7845654230, 15691308460]

約数ペア:

[(1, 15691308460), (2, 7845654230), (4, 3922827115), (5, 3138261692), (10, 1569130846), (19, 825858340), (20, 784565423), (38, 412929170), (76, 206464585), (95, 165171668), (190, 82585834), (380, 41292917), (1973, 7953020), (3946, 3976510), (7892, 1988255), (9865, 1590604), (19730, 795302), (20929, 749740), (37487, 418580), (39460, 397651), (41858, 374870), (74974, 209290), (83716, 187435), (104645, 149948)]