18084550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{251}}^1$

素因数の和:405

約数の個数: 48

約数和(自身を含む): 37122624

約数和(自身を除く): 19038074

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 131, 251, 262, 275, 502, 550, 655, 1255, 1310, 1441, 2510, 2761, 2882, 3275, 5522, 6275, 6550, 7205, 12550, 13805, 14410, 27610, 32881, 36025, 65762, 69025, 72050, 138050, 164405, 328810, 361691, 723382, 822025, 1644050, 1808455, 3616910, 9042275, 18084550]

約数ペア:

[(1, 18084550), (2, 9042275), (5, 3616910), (10, 1808455), (11, 1644050), (22, 822025), (25, 723382), (50, 361691), (55, 328810), (110, 164405), (131, 138050), (251, 72050), (262, 69025), (275, 65762), (502, 36025), (550, 32881), (655, 27610), (1255, 14410), (1310, 13805), (1441, 12550), (2510, 7205), (2761, 6550), (2882, 6275), (3275, 5522)]