19878216

素因数分解:

$2^3\times 3^1\times {\mathrm{557}}^1\times {\mathrm{1487}}^1$

素因数の和:2053

約数の個数: 32

約数和(自身を含む): 49818240

約数和(自身を除く): 29940024

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 557, 1114, 1487, 1671, 2228, 2974, 3342, 4456, 4461, 5948, 6684, 8922, 11896, 13368, 17844, 35688, 828259, 1656518, 2484777, 3313036, 4969554, 6626072, 9939108, 19878216]

約数ペア:

[(1, 19878216), (2, 9939108), (3, 6626072), (4, 4969554), (6, 3313036), (8, 2484777), (12, 1656518), (24, 828259), (557, 35688), (1114, 17844), (1487, 13368), (1671, 11896), (2228, 8922), (2974, 6684), (3342, 5948), (4456, 4461)]