18132016

素因数分解:

$2^4\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1669}}^1$

素因数の和:1781

約数の個数: 40

約数和(自身を含む): 40587680

約数和(自身を除く): 22455664

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 97, 112, 194, 388, 679, 776, 1358, 1552, 1669, 2716, 3338, 5432, 6676, 10864, 11683, 13352, 23366, 26704, 46732, 93464, 161893, 186928, 323786, 647572, 1133251, 1295144, 2266502, 2590288, 4533004, 9066008, 18132016]

約数ペア:

[(1, 18132016), (2, 9066008), (4, 4533004), (7, 2590288), (8, 2266502), (14, 1295144), (16, 1133251), (28, 647572), (56, 323786), (97, 186928), (112, 161893), (194, 93464), (388, 46732), (679, 26704), (776, 23366), (1358, 13352), (1552, 11683), (1669, 10864), (2716, 6676), (3338, 5432)]