18480216

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{421}}^1$

素因数の和:520

約数の個数: 64

約数和(自身を含む): 48614400

約数和(自身を除く): 30134184

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 59, 62, 93, 118, 124, 177, 186, 236, 248, 354, 372, 421, 472, 708, 744, 842, 1263, 1416, 1684, 1829, 2526, 3368, 3658, 5052, 5487, 7316, 10104, 10974, 13051, 14632, 21948, 24839, 26102, 39153, 43896, 49678, 52204, 74517, 78306, 99356, 104408, 149034, 156612, 198712, 298068, 313224, 596136, 770009, 1540018, 2310027, 3080036, 4620054, 6160072, 9240108, 18480216]

約数ペア:

[(1, 18480216), (2, 9240108), (3, 6160072), (4, 4620054), (6, 3080036), (8, 2310027), (12, 1540018), (24, 770009), (31, 596136), (59, 313224), (62, 298068), (93, 198712), (118, 156612), (124, 149034), (177, 104408), (186, 99356), (236, 78306), (248, 74517), (354, 52204), (372, 49678), (421, 43896), (472, 39153), (708, 26102), (744, 24839), (842, 21948), (1263, 14632), (1416, 13051), (1684, 10974), (1829, 10104), (2526, 7316), (3368, 5487), (3658, 5052)]