19980228

素因数分解:

$2^2\times 3^1\times {\mathrm{181}}^1\times {\mathrm{9199}}^1$

素因数の和:9387

約数の個数: 24

約数和(自身を含む): 46883200

約数和(自身を除く): 26902972

約数列:

[1, 2, 3, 4, 6, 12, 181, 362, 543, 724, 1086, 2172, 9199, 18398, 27597, 36796, 55194, 110388, 1665019, 3330038, 4995057, 6660076, 9990114, 19980228]

約数ペア:

[(1, 19980228), (2, 9990114), (3, 6660076), (4, 4995057), (6, 3330038), (12, 1665019), (181, 110388), (362, 55194), (543, 36796), (724, 27597), (1086, 18398), (2172, 9199)]