18440906

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{281}}^1$

素因数の和:470

約数の個数: 32

約数和(自身を含む): 32080320

約数和(自身を除く): 13639414

約数列:

[1, 2, 11, 19, 22, 38, 157, 209, 281, 314, 418, 562, 1727, 2983, 3091, 3454, 5339, 5966, 6182, 10678, 32813, 44117, 58729, 65626, 88234, 117458, 485287, 838223, 970574, 1676446, 9220453, 18440906]

約数ペア:

[(1, 18440906), (2, 9220453), (11, 1676446), (19, 970574), (22, 838223), (38, 485287), (157, 117458), (209, 88234), (281, 65626), (314, 58729), (418, 44117), (562, 32813), (1727, 10678), (2983, 6182), (3091, 5966), (3454, 5339)]