18439806

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{239}}^1$

素因数の和:429

約数の個数: 64

約数和(自身を含む): 46448640

約数和(自身を除く): 28008834

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 154, 167, 231, 239, 334, 462, 478, 501, 717, 1002, 1169, 1434, 1673, 1837, 2338, 2629, 3346, 3507, 3674, 5019, 5258, 5511, 7014, 7887, 10038, 11022, 12859, 15774, 18403, 25718, 36806, 38577, 39913, 55209, 77154, 79826, 110418, 119739, 239478, 279391, 439043, 558782, 838173, 878086, 1317129, 1676346, 2634258, 3073301, 6146602, 9219903, 18439806]

約数ペア:

[(1, 18439806), (2, 9219903), (3, 6146602), (6, 3073301), (7, 2634258), (11, 1676346), (14, 1317129), (21, 878086), (22, 838173), (33, 558782), (42, 439043), (66, 279391), (77, 239478), (154, 119739), (167, 110418), (231, 79826), (239, 77154), (334, 55209), (462, 39913), (478, 38577), (501, 36806), (717, 25718), (1002, 18403), (1169, 15774), (1434, 12859), (1673, 11022), (1837, 10038), (2338, 7887), (2629, 7014), (3346, 5511), (3507, 5258), (3674, 5019)]