18734968

素因数分解:

$2^3\times 7^1\times {\mathrm{97}}^1\times {\mathrm{3449}}^1$

素因数の和:3559

約数の個数: 32

約数和(自身を含む): 40572000

約数和(自身を除く): 21837032

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 97, 194, 388, 679, 776, 1358, 2716, 3449, 5432, 6898, 13796, 24143, 27592, 48286, 96572, 193144, 334553, 669106, 1338212, 2341871, 2676424, 4683742, 9367484, 18734968]

約数ペア:

[(1, 18734968), (2, 9367484), (4, 4683742), (7, 2676424), (8, 2341871), (14, 1338212), (28, 669106), (56, 334553), (97, 193144), (194, 96572), (388, 48286), (679, 27592), (776, 24143), (1358, 13796), (2716, 6898), (3449, 5432)]