18490260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{9941}}^1$

素因数の和:9984

約数の個数: 48

約数和(自身を含む): 53448192

約数和(自身を除く): 34957932

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 9941, 19882, 29823, 39764, 49705, 59646, 99410, 119292, 149115, 198820, 298230, 308171, 596460, 616342, 924513, 1232684, 1540855, 1849026, 3081710, 3698052, 4622565, 6163420, 9245130, 18490260]

約数ペア:

[(1, 18490260), (2, 9245130), (3, 6163420), (4, 4622565), (5, 3698052), (6, 3081710), (10, 1849026), (12, 1540855), (15, 1232684), (20, 924513), (30, 616342), (31, 596460), (60, 308171), (62, 298230), (93, 198820), (124, 149115), (155, 119292), (186, 99410), (310, 59646), (372, 49705), (465, 39764), (620, 29823), (930, 19882), (1860, 9941)]