18188730

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{28871}}^1$

素因数の和:28891

約数の個数: 48

約数和(自身を含む): 54048384

約数和(自身を除く): 35859654

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 28871, 57742, 86613, 144355, 173226, 202097, 259839, 288710, 404194, 433065, 519678, 606291, 866130, 1010485, 1212582, 1299195, 1818873, 2020970, 2598390, 3031455, 3637746, 6062910, 9094365, 18188730]

約数ペア:

[(1, 18188730), (2, 9094365), (3, 6062910), (5, 3637746), (6, 3031455), (7, 2598390), (9, 2020970), (10, 1818873), (14, 1299195), (15, 1212582), (18, 1010485), (21, 866130), (30, 606291), (35, 519678), (42, 433065), (45, 404194), (63, 288710), (70, 259839), (90, 202097), (105, 173226), (126, 144355), (210, 86613), (315, 57742), (630, 28871)]