18989388

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{607}}^1$

素因数の和:707

約数の個数: 72

約数和(自身を含む): 53114880

約数和(自身を除く): 34125492

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 79, 99, 132, 158, 198, 237, 316, 396, 474, 607, 711, 869, 948, 1214, 1422, 1738, 1821, 2428, 2607, 2844, 3476, 3642, 5214, 5463, 6677, 7284, 7821, 10428, 10926, 13354, 15642, 20031, 21852, 26708, 31284, 40062, 47953, 60093, 80124, 95906, 120186, 143859, 191812, 240372, 287718, 431577, 527483, 575436, 863154, 1054966, 1582449, 1726308, 2109932, 3164898, 4747347, 6329796, 9494694, 18989388]

約数ペア:

[(1, 18989388), (2, 9494694), (3, 6329796), (4, 4747347), (6, 3164898), (9, 2109932), (11, 1726308), (12, 1582449), (18, 1054966), (22, 863154), (33, 575436), (36, 527483), (44, 431577), (66, 287718), (79, 240372), (99, 191812), (132, 143859), (158, 120186), (198, 95906), (237, 80124), (316, 60093), (396, 47953), (474, 40062), (607, 31284), (711, 26708), (869, 21852), (948, 20031), (1214, 15642), (1422, 13354), (1738, 10926), (1821, 10428), (2428, 7821), (2607, 7284), (2844, 6677), (3476, 5463), (3642, 5214)]