19994562

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1783}}^1$

素因数の和:1887

約数の個数: 48

約数和(自身を含む): 50094720

約数和(自身を除く): 30100158

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 89, 126, 178, 267, 534, 623, 801, 1246, 1602, 1783, 1869, 3566, 3738, 5349, 5607, 10698, 11214, 12481, 16047, 24962, 32094, 37443, 74886, 112329, 158687, 224658, 317374, 476061, 952122, 1110809, 1428183, 2221618, 2856366, 3332427, 6664854, 9997281, 19994562]

約数ペア:

[(1, 19994562), (2, 9997281), (3, 6664854), (6, 3332427), (7, 2856366), (9, 2221618), (14, 1428183), (18, 1110809), (21, 952122), (42, 476061), (63, 317374), (89, 224658), (126, 158687), (178, 112329), (267, 74886), (534, 37443), (623, 32094), (801, 24962), (1246, 16047), (1602, 12481), (1783, 11214), (1869, 10698), (3566, 5607), (3738, 5349)]