19379216

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{439}}^1$

素因数の和:567

約数の個数: 40

約数和(自身を含む): 39283200

約数和(自身を除く): 19903984

約数列:

[1, 2, 4, 8, 16, 31, 62, 89, 124, 178, 248, 356, 439, 496, 712, 878, 1424, 1756, 2759, 3512, 5518, 7024, 11036, 13609, 22072, 27218, 39071, 44144, 54436, 78142, 108872, 156284, 217744, 312568, 625136, 1211201, 2422402, 4844804, 9689608, 19379216]

約数ペア:

[(1, 19379216), (2, 9689608), (4, 4844804), (8, 2422402), (16, 1211201), (31, 625136), (62, 312568), (89, 217744), (124, 156284), (178, 108872), (248, 78142), (356, 54436), (439, 44144), (496, 39071), (712, 27218), (878, 22072), (1424, 13609), (1756, 11036), (2759, 7024), (3512, 5518)]