19664996860

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{461}}^1\times {\mathrm{73547}}^1$

素因数の和:74046

約数の個数: 48

約数和(自身を含む): 42813761760

約数和(自身を除く): 23148764900

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 461, 580, 922, 1844, 2305, 4610, 9220, 13369, 26738, 53476, 66845, 73547, 133690, 147094, 267380, 294188, 367735, 735470, 1470940, 2132863, 4265726, 8531452, 10664315, 21328630, 33905167, 42657260, 67810334, 135620668, 169525835, 339051670, 678103340, 983249843, 1966499686, 3932999372, 4916249215, 9832498430, 19664996860]

約数ペア:

[(1, 19664996860), (2, 9832498430), (4, 4916249215), (5, 3932999372), (10, 1966499686), (20, 983249843), (29, 678103340), (58, 339051670), (116, 169525835), (145, 135620668), (290, 67810334), (461, 42657260), (580, 33905167), (922, 21328630), (1844, 10664315), (2305, 8531452), (4610, 4265726), (9220, 2132863), (13369, 1470940), (26738, 735470), (53476, 367735), (66845, 294188), (73547, 267380), (133690, 147094)]