1821552838

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{167023}}^1$

素因数の和:167092

約数の個数: 32

約数和(自身を含む): 3367203840

約数和(自身を除く): 1545651002

約数列:

[1, 2, 7, 14, 19, 38, 41, 82, 133, 266, 287, 574, 779, 1558, 5453, 10906, 167023, 334046, 1169161, 2338322, 3173437, 6346874, 6847943, 13695886, 22214059, 44428118, 47935601, 95871202, 130110917, 260221834, 910776419, 1821552838]

約数ペア:

[(1, 1821552838), (2, 910776419), (7, 260221834), (14, 130110917), (19, 95871202), (38, 47935601), (41, 44428118), (82, 22214059), (133, 13695886), (266, 6847943), (287, 6346874), (574, 3173437), (779, 2338322), (1558, 1169161), (5453, 334046), (10906, 167023)]