18611528

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{2671}}^1$

素因数の和:2757

約数の個数: 32

約数和(自身を含む): 38156160

約数和(自身を除く): 19544632

約数列:

[1, 2, 4, 8, 13, 26, 52, 67, 104, 134, 268, 536, 871, 1742, 2671, 3484, 5342, 6968, 10684, 21368, 34723, 69446, 138892, 178957, 277784, 357914, 715828, 1431656, 2326441, 4652882, 9305764, 18611528]

約数ペア:

[(1, 18611528), (2, 9305764), (4, 4652882), (8, 2326441), (13, 1431656), (26, 715828), (52, 357914), (67, 277784), (104, 178957), (134, 138892), (268, 69446), (536, 34723), (871, 21368), (1742, 10684), (2671, 6968), (3484, 5342)]