18745120

素因数分解:

$2^5\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1483}}^1$

素因数の和:1577

約数の個数: 48

約数和(自身を含む): 44876160

約数和(自身を除く): 26131040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 79, 80, 158, 160, 316, 395, 632, 790, 1264, 1483, 1580, 2528, 2966, 3160, 5932, 6320, 7415, 11864, 12640, 14830, 23728, 29660, 47456, 59320, 117157, 118640, 234314, 237280, 468628, 585785, 937256, 1171570, 1874512, 2343140, 3749024, 4686280, 9372560, 18745120]

約数ペア:

[(1, 18745120), (2, 9372560), (4, 4686280), (5, 3749024), (8, 2343140), (10, 1874512), (16, 1171570), (20, 937256), (32, 585785), (40, 468628), (79, 237280), (80, 234314), (158, 118640), (160, 117157), (316, 59320), (395, 47456), (632, 29660), (790, 23728), (1264, 14830), (1483, 12640), (1580, 11864), (2528, 7415), (2966, 6320), (3160, 5932)]