20189901581

素因数分解:

${\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{191}}^1\times {\mathrm{617}}^1$

素因数の和:1025

約数の個数: 32

約数和(自身を含む): 21870673920

約数和(自身を除く): 1680772339

約数列:

[1, 19, 71, 127, 191, 617, 1349, 2413, 3629, 9017, 11723, 13561, 24257, 43807, 78359, 117847, 171323, 257659, 460883, 832333, 1488821, 1722247, 2239093, 5563489, 8367137, 14966569, 32722693, 105706291, 158975603, 284364811, 1062626399, 20189901581]

約数ペア:

[(1, 20189901581), (19, 1062626399), (71, 284364811), (127, 158975603), (191, 105706291), (617, 32722693), (1349, 14966569), (2413, 8367137), (3629, 5563489), (9017, 2239093), (11723, 1722247), (13561, 1488821), (24257, 832333), (43807, 460883), (78359, 257659), (117847, 171323)]