17819019820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{780851}}^1$

素因数の和:781030

約数の個数: 48

約数和(自身を含む): 43028068608

約数和(自身を除く): 25209048788

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 163, 326, 652, 815, 1141, 1630, 2282, 3260, 4564, 5705, 11410, 22820, 780851, 1561702, 3123404, 3904255, 5465957, 7808510, 10931914, 15617020, 21863828, 27329785, 54659570, 109319140, 127278713, 254557426, 509114852, 636393565, 890950991, 1272787130, 1781901982, 2545574260, 3563803964, 4454754955, 8909509910, 17819019820]

約数ペア:

[(1, 17819019820), (2, 8909509910), (4, 4454754955), (5, 3563803964), (7, 2545574260), (10, 1781901982), (14, 1272787130), (20, 890950991), (28, 636393565), (35, 509114852), (70, 254557426), (140, 127278713), (163, 109319140), (326, 54659570), (652, 27329785), (815, 21863828), (1141, 15617020), (1630, 10931914), (2282, 7808510), (3260, 5465957), (4564, 3904255), (5705, 3123404), (11410, 1561702), (22820, 780851)]