201911518

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{653}}^1$

素因数の和:856

約数の個数: 32

約数和(自身を含む): 326476800

約数和(自身を除く): 124565282

約数列:

[1, 2, 19, 38, 79, 103, 158, 206, 653, 1306, 1501, 1957, 3002, 3914, 8137, 12407, 16274, 24814, 51587, 67259, 103174, 134518, 154603, 309206, 980153, 1277921, 1960306, 2555842, 5313461, 10626922, 100955759, 201911518]

約数ペア:

[(1, 201911518), (2, 100955759), (19, 10626922), (38, 5313461), (79, 2555842), (103, 1960306), (158, 1277921), (206, 980153), (653, 309206), (1306, 154603), (1501, 134518), (1957, 103174), (3002, 67259), (3914, 51587), (8137, 24814), (12407, 16274)]