18000972

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{347}}^1$

素因数の和:499

約数の個数: 72

約数和(自身を含む): 50162112

約数和(自身を除く): 32161140

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 131, 132, 198, 262, 347, 393, 396, 524, 694, 786, 1041, 1179, 1388, 1441, 1572, 2082, 2358, 2882, 3123, 3817, 4164, 4323, 4716, 5764, 6246, 7634, 8646, 11451, 12492, 12969, 15268, 17292, 22902, 25938, 34353, 45457, 45804, 51876, 68706, 90914, 136371, 137412, 181828, 272742, 409113, 500027, 545484, 818226, 1000054, 1500081, 1636452, 2000108, 3000162, 4500243, 6000324, 9000486, 18000972]

約数ペア:

[(1, 18000972), (2, 9000486), (3, 6000324), (4, 4500243), (6, 3000162), (9, 2000108), (11, 1636452), (12, 1500081), (18, 1000054), (22, 818226), (33, 545484), (36, 500027), (44, 409113), (66, 272742), (99, 181828), (131, 137412), (132, 136371), (198, 90914), (262, 68706), (347, 51876), (393, 45804), (396, 45457), (524, 34353), (694, 25938), (786, 22902), (1041, 17292), (1179, 15268), (1388, 12969), (1441, 12492), (1572, 11451), (2082, 8646), (2358, 7634), (2882, 6246), (3123, 5764), (3817, 4716), (4164, 4323)]