18674340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{16381}}^1$

素因数の和:16412

約数の個数: 48

約数和(自身を含む): 55043520

約数和(自身を除く): 36369180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 16381, 32762, 49143, 65524, 81905, 98286, 163810, 196572, 245715, 311239, 327620, 491430, 622478, 933717, 982860, 1244956, 1556195, 1867434, 3112390, 3734868, 4668585, 6224780, 9337170, 18674340]

約数ペア:

[(1, 18674340), (2, 9337170), (3, 6224780), (4, 4668585), (5, 3734868), (6, 3112390), (10, 1867434), (12, 1556195), (15, 1244956), (19, 982860), (20, 933717), (30, 622478), (38, 491430), (57, 327620), (60, 311239), (76, 245715), (95, 196572), (114, 163810), (190, 98286), (228, 81905), (285, 65524), (380, 49143), (570, 32762), (1140, 16381)]