18657204940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{520279}}^1$

素因数の和:520462

約数の個数: 48

約数和(自身を含む): 43004263680

約数和(自身を除く): 24347058740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 163, 220, 326, 652, 815, 1630, 1793, 3260, 3586, 7172, 8965, 17930, 35860, 520279, 1040558, 2081116, 2601395, 5202790, 5723069, 10405580, 11446138, 22892276, 28615345, 57230690, 84805477, 114461380, 169610954, 339221908, 424027385, 848054770, 932860247, 1696109540, 1865720494, 3731440988, 4664301235, 9328602470, 18657204940]

約数ペア:

[(1, 18657204940), (2, 9328602470), (4, 4664301235), (5, 3731440988), (10, 1865720494), (11, 1696109540), (20, 932860247), (22, 848054770), (44, 424027385), (55, 339221908), (110, 169610954), (163, 114461380), (220, 84805477), (326, 57230690), (652, 28615345), (815, 22892276), (1630, 11446138), (1793, 10405580), (3260, 5723069), (3586, 5202790), (7172, 2601395), (8965, 2081116), (17930, 1040558), (35860, 520279)]