18861642

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{421}}^1$

素因数の和:579

約数の個数: 48

約数和(自身を含む): 43449120

約数和(自身を除く): 24587478

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 131, 171, 262, 342, 393, 421, 786, 842, 1179, 1263, 2358, 2489, 2526, 3789, 4978, 7467, 7578, 7999, 14934, 15998, 22401, 23997, 44802, 47994, 55151, 71991, 110302, 143982, 165453, 330906, 496359, 992718, 1047869, 2095738, 3143607, 6287214, 9430821, 18861642]

約数ペア:

[(1, 18861642), (2, 9430821), (3, 6287214), (6, 3143607), (9, 2095738), (18, 1047869), (19, 992718), (38, 496359), (57, 330906), (114, 165453), (131, 143982), (171, 110302), (262, 71991), (342, 55151), (393, 47994), (421, 44802), (786, 23997), (842, 22401), (1179, 15998), (1263, 14934), (2358, 7999), (2489, 7578), (2526, 7467), (3789, 4978)]