18281940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{9829}}^1$

素因数の和:9872

約数の個数: 48

約数和(自身を含む): 52846080

約数和(自身を除く): 34564140

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, 9829, 19658, 29487, 39316, 49145, 58974, 98290, 117948, 147435, 196580, 294870, 304699, 589740, 609398, 914097, 1218796, 1523495, 1828194, 3046990, 3656388, 4570485, 6093980, 9140970, 18281940]

約数ペア:

[(1, 18281940), (2, 9140970), (3, 6093980), (4, 4570485), (5, 3656388), (6, 3046990), (10, 1828194), (12, 1523495), (15, 1218796), (20, 914097), (30, 609398), (31, 589740), (60, 304699), (62, 294870), (93, 196580), (124, 147435), (155, 117948), (186, 98290), (310, 58974), (372, 49145), (465, 39316), (620, 29487), (930, 19658), (1860, 9829)]