18281504

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{421}}^1$

素因数の和:513

約数の個数: 48

約数和(自身を含む): 38283840

約数和(自身を除く): 20002336

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 59, 92, 118, 184, 236, 368, 421, 472, 736, 842, 944, 1357, 1684, 1888, 2714, 3368, 5428, 6736, 9683, 10856, 13472, 19366, 21712, 24839, 38732, 43424, 49678, 77464, 99356, 154928, 198712, 309856, 397424, 571297, 794848, 1142594, 2285188, 4570376, 9140752, 18281504]

約数ペア:

[(1, 18281504), (2, 9140752), (4, 4570376), (8, 2285188), (16, 1142594), (23, 794848), (32, 571297), (46, 397424), (59, 309856), (92, 198712), (118, 154928), (184, 99356), (236, 77464), (368, 49678), (421, 43424), (472, 38732), (736, 24839), (842, 21712), (944, 19366), (1357, 13472), (1684, 10856), (1888, 9683), (2714, 6736), (3368, 5428)]