18628290

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{787}}^1$

素因数の和:1063

約数の個数: 48

約数和(自身を含む): 48679488

約数和(自身を除く): 30051198

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 263, 526, 787, 789, 1315, 1574, 1578, 2361, 2367, 2630, 3935, 3945, 4722, 4734, 7083, 7870, 7890, 11805, 11835, 14166, 23610, 23670, 35415, 70830, 206981, 413962, 620943, 1034905, 1241886, 1862829, 2069810, 3104715, 3725658, 6209430, 9314145, 18628290]

約数ペア:

[(1, 18628290), (2, 9314145), (3, 6209430), (5, 3725658), (6, 3104715), (9, 2069810), (10, 1862829), (15, 1241886), (18, 1034905), (30, 620943), (45, 413962), (90, 206981), (263, 70830), (526, 35415), (787, 23670), (789, 23610), (1315, 14166), (1574, 11835), (1578, 11805), (2361, 7890), (2367, 7870), (2630, 7083), (3935, 4734), (3945, 4722)]