18142112

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{563}}^1$

素因数の和:645

約数の個数: 48

約数和(自身を含む): 38374560

約数和(自身を除く): 20232448

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 53, 76, 106, 152, 212, 304, 424, 563, 608, 848, 1007, 1126, 1696, 2014, 2252, 4028, 4504, 8056, 9008, 10697, 16112, 18016, 21394, 29839, 32224, 42788, 59678, 85576, 119356, 171152, 238712, 342304, 477424, 566941, 954848, 1133882, 2267764, 4535528, 9071056, 18142112]

約数ペア:

[(1, 18142112), (2, 9071056), (4, 4535528), (8, 2267764), (16, 1133882), (19, 954848), (32, 566941), (38, 477424), (53, 342304), (76, 238712), (106, 171152), (152, 119356), (212, 85576), (304, 59678), (424, 42788), (563, 32224), (608, 29839), (848, 21394), (1007, 18016), (1126, 16112), (1696, 10697), (2014, 9008), (2252, 8056), (4028, 4504)]