18446320

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{7951}}^1$

素因数の和:7993

約数の個数: 40

約数和(自身を含む): 44372160

約数和(自身を除く): 25925840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 7951, 15902, 31804, 39755, 63608, 79510, 127216, 159020, 230579, 318040, 461158, 636080, 922316, 1152895, 1844632, 2305790, 3689264, 4611580, 9223160, 18446320]

約数ペア:

[(1, 18446320), (2, 9223160), (4, 4611580), (5, 3689264), (8, 2305790), (10, 1844632), (16, 1152895), (20, 922316), (29, 636080), (40, 461158), (58, 318040), (80, 230579), (116, 159020), (145, 127216), (232, 79510), (290, 63608), (464, 39755), (580, 31804), (1160, 15902), (2320, 7951)]