19957070864

素因数分解:

$2^4\times {\mathrm{179}}^1\times {\mathrm{563}}^1\times {\mathrm{12377}}^1$

素因数の和:13127

約数の個数: 40

約数和(自身を含む): 38955051360

約数和(自身を除く): 18997980496

約数列:

[1, 2, 4, 8, 16, 179, 358, 563, 716, 1126, 1432, 2252, 2864, 4504, 9008, 12377, 24754, 49508, 99016, 100777, 198032, 201554, 403108, 806216, 1612432, 2215483, 4430966, 6968251, 8861932, 13936502, 17723864, 27873004, 35447728, 55746008, 111492016, 1247316929, 2494633858, 4989267716, 9978535432, 19957070864]

約数ペア:

[(1, 19957070864), (2, 9978535432), (4, 4989267716), (8, 2494633858), (16, 1247316929), (179, 111492016), (358, 55746008), (563, 35447728), (716, 27873004), (1126, 17723864), (1432, 13936502), (2252, 8861932), (2864, 6968251), (4504, 4430966), (9008, 2215483), (12377, 1612432), (24754, 806216), (49508, 403108), (99016, 201554), (100777, 198032)]