18687060

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{14831}}^1$

素因数の和:14853

約数の個数: 72

約数和(自身を含む): 64786176

約数和(自身を除く): 46099116

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 14831, 29662, 44493, 59324, 74155, 88986, 103817, 133479, 148310, 177972, 207634, 222465, 266958, 296620, 311451, 415268, 444930, 519085, 533916, 622902, 667395, 889860, 934353, 1038170, 1245804, 1334790, 1557255, 1868706, 2076340, 2669580, 3114510, 3737412, 4671765, 6229020, 9343530, 18687060]

約数ペア:

[(1, 18687060), (2, 9343530), (3, 6229020), (4, 4671765), (5, 3737412), (6, 3114510), (7, 2669580), (9, 2076340), (10, 1868706), (12, 1557255), (14, 1334790), (15, 1245804), (18, 1038170), (20, 934353), (21, 889860), (28, 667395), (30, 622902), (35, 533916), (36, 519085), (42, 444930), (45, 415268), (60, 311451), (63, 296620), (70, 266958), (84, 222465), (90, 207634), (105, 177972), (126, 148310), (140, 133479), (180, 103817), (210, 88986), (252, 74155), (315, 59324), (420, 44493), (630, 29662), (1260, 14831)]