18591386

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{563}}^1$

素因数の和:674

約数の個数: 32

約数和(自身を含む): 32486400

約数和(自身を除く): 13895014

約数列:

[1, 2, 11, 19, 22, 38, 79, 158, 209, 418, 563, 869, 1126, 1501, 1738, 3002, 6193, 10697, 12386, 16511, 21394, 33022, 44477, 88954, 117667, 235334, 489247, 845063, 978494, 1690126, 9295693, 18591386]

約数ペア:

[(1, 18591386), (2, 9295693), (11, 1690126), (19, 978494), (22, 845063), (38, 489247), (79, 235334), (158, 117667), (209, 88954), (418, 44477), (563, 33022), (869, 21394), (1126, 16511), (1501, 12386), (1738, 10697), (3002, 6193)]