18825101540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4337581}}^1$

素因数の和:4337628

約数の個数: 48

約数和(自身を含む): 46637681664

約数和(自身を除く): 27812580124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 4337581, 8675162, 17350324, 21687905, 30363067, 43375810, 60726134, 86751620, 121452268, 134465011, 151815335, 268930022, 303630670, 537860044, 607261340, 672325055, 941255077, 1344650110, 1882510154, 2689300220, 3765020308, 4706275385, 9412550770, 18825101540]

約数ペア:

[(1, 18825101540), (2, 9412550770), (4, 4706275385), (5, 3765020308), (7, 2689300220), (10, 1882510154), (14, 1344650110), (20, 941255077), (28, 672325055), (31, 607261340), (35, 537860044), (62, 303630670), (70, 268930022), (124, 151815335), (140, 134465011), (155, 121452268), (217, 86751620), (310, 60726134), (434, 43375810), (620, 30363067), (868, 21687905), (1085, 17350324), (2170, 8675162), (4340, 4337581)]