19687722

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{557}}^1$

素因数の和:742

約数の個数: 32

約数和(自身を含む): 40658112

約数和(自身を除く): 20970390

約数列:

[1, 2, 3, 6, 43, 86, 129, 137, 258, 274, 411, 557, 822, 1114, 1671, 3342, 5891, 11782, 17673, 23951, 35346, 47902, 71853, 76309, 143706, 152618, 228927, 457854, 3281287, 6562574, 9843861, 19687722]

約数ペア:

[(1, 19687722), (2, 9843861), (3, 6562574), (6, 3281287), (43, 457854), (86, 228927), (129, 152618), (137, 143706), (258, 76309), (274, 71853), (411, 47902), (557, 35346), (822, 23951), (1114, 17673), (1671, 11782), (3342, 5891)]