18997584

素因数分解:

$2^4\times 3^1\times {\mathrm{89}}^1\times {\mathrm{4447}}^1$

素因数の和:4547

約数の個数: 40

約数和(自身を含む): 49639680

約数和(自身を除く): 30642096

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 89, 178, 267, 356, 534, 712, 1068, 1424, 2136, 4272, 4447, 8894, 13341, 17788, 26682, 35576, 53364, 71152, 106728, 213456, 395783, 791566, 1187349, 1583132, 2374698, 3166264, 4749396, 6332528, 9498792, 18997584]

約数ペア:

[(1, 18997584), (2, 9498792), (3, 6332528), (4, 4749396), (6, 3166264), (8, 2374698), (12, 1583132), (16, 1187349), (24, 791566), (48, 395783), (89, 213456), (178, 106728), (267, 71152), (356, 53364), (534, 35576), (712, 26682), (1068, 17788), (1424, 13341), (2136, 8894), (4272, 4447)]