18805158

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{503}}^1$

素因数の和:609

約数の個数: 48

約数和(自身を含む): 42771456

約数和(自身を除く): 23966298

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 67, 93, 134, 186, 201, 279, 402, 503, 558, 603, 1006, 1206, 1509, 2077, 3018, 4154, 4527, 6231, 9054, 12462, 15593, 18693, 31186, 33701, 37386, 46779, 67402, 93558, 101103, 140337, 202206, 280674, 303309, 606618, 1044731, 2089462, 3134193, 6268386, 9402579, 18805158]

約数ペア:

[(1, 18805158), (2, 9402579), (3, 6268386), (6, 3134193), (9, 2089462), (18, 1044731), (31, 606618), (62, 303309), (67, 280674), (93, 202206), (134, 140337), (186, 101103), (201, 93558), (279, 67402), (402, 46779), (503, 37386), (558, 33701), (603, 31186), (1006, 18693), (1206, 15593), (1509, 12462), (2077, 9054), (3018, 6231), (4154, 4527)]