19987316

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{3329}}^1$

素因数の和:3431

約数の個数: 24

約数和(自身を含む): 37296000

約数和(自身を除く): 17308684

約数列:

[1, 2, 4, 19, 38, 76, 79, 158, 316, 1501, 3002, 3329, 6004, 6658, 13316, 63251, 126502, 253004, 262991, 525982, 1051964, 4996829, 9993658, 19987316]

約数ペア:

[(1, 19987316), (2, 9993658), (4, 4996829), (19, 1051964), (38, 525982), (76, 262991), (79, 253004), (158, 126502), (316, 63251), (1501, 13316), (3002, 6658), (3329, 6004)]