19238490

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{1181}}^1$

素因数の和:1375

約数の個数: 48

約数和(自身を含む): 50339016

約数和(自身を除く): 31100526

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 181, 362, 543, 905, 1086, 1181, 1629, 1810, 2362, 2715, 3258, 3543, 5430, 5905, 7086, 8145, 10629, 11810, 16290, 17715, 21258, 35430, 53145, 106290, 213761, 427522, 641283, 1068805, 1282566, 1923849, 2137610, 3206415, 3847698, 6412830, 9619245, 19238490]

約数ペア:

[(1, 19238490), (2, 9619245), (3, 6412830), (5, 3847698), (6, 3206415), (9, 2137610), (10, 1923849), (15, 1282566), (18, 1068805), (30, 641283), (45, 427522), (90, 213761), (181, 106290), (362, 53145), (543, 35430), (905, 21258), (1086, 17715), (1181, 16290), (1629, 11810), (1810, 10629), (2362, 8145), (2715, 7086), (3258, 5905), (3543, 5430)]