18082900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{967}}^1$

素因数の和:1009

約数の個数: 72

約数和(自身を含む): 45372096

約数和(自身を除く): 27289196

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 25, 34, 44, 50, 55, 68, 85, 100, 110, 170, 187, 220, 275, 340, 374, 425, 550, 748, 850, 935, 967, 1100, 1700, 1870, 1934, 3740, 3868, 4675, 4835, 9350, 9670, 10637, 16439, 18700, 19340, 21274, 24175, 32878, 42548, 48350, 53185, 65756, 82195, 96700, 106370, 164390, 180829, 212740, 265925, 328780, 361658, 410975, 531850, 723316, 821950, 904145, 1063700, 1643900, 1808290, 3616580, 4520725, 9041450, 18082900]

約数ペア:

[(1, 18082900), (2, 9041450), (4, 4520725), (5, 3616580), (10, 1808290), (11, 1643900), (17, 1063700), (20, 904145), (22, 821950), (25, 723316), (34, 531850), (44, 410975), (50, 361658), (55, 328780), (68, 265925), (85, 212740), (100, 180829), (110, 164390), (170, 106370), (187, 96700), (220, 82195), (275, 65756), (340, 53185), (374, 48350), (425, 42548), (550, 32878), (748, 24175), (850, 21274), (935, 19340), (967, 18700), (1100, 16439), (1700, 10637), (1870, 9670), (1934, 9350), (3740, 4835), (3868, 4675)]