15782920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{1093}}^1$

素因数の和:1142

約数の個数: 48

約数和(自身を含む): 37513260

約数和(自身を除く): 21730340

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 361, 380, 722, 760, 1093, 1444, 1805, 2186, 2888, 3610, 4372, 5465, 7220, 8744, 10930, 14440, 20767, 21860, 41534, 43720, 83068, 103835, 166136, 207670, 394573, 415340, 789146, 830680, 1578292, 1972865, 3156584, 3945730, 7891460, 15782920]

約数ペア:

[(1, 15782920), (2, 7891460), (4, 3945730), (5, 3156584), (8, 1972865), (10, 1578292), (19, 830680), (20, 789146), (38, 415340), (40, 394573), (76, 207670), (95, 166136), (152, 103835), (190, 83068), (361, 43720), (380, 41534), (722, 21860), (760, 20767), (1093, 14440), (1444, 10930), (1805, 8744), (2186, 7220), (2888, 5465), (3610, 4372)]