17985420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{613}}^1$

素因数の和:791

約数の個数: 72

約数和(自身を含む): 54980016

約数和(自身を除く): 36994596

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 163, 180, 326, 489, 613, 652, 815, 978, 1226, 1467, 1630, 1839, 1956, 2445, 2452, 2934, 3065, 3260, 3678, 4890, 5517, 5868, 6130, 7335, 7356, 9195, 9780, 11034, 12260, 14670, 18390, 22068, 27585, 29340, 36780, 55170, 99919, 110340, 199838, 299757, 399676, 499595, 599514, 899271, 999190, 1199028, 1498785, 1798542, 1998380, 2997570, 3597084, 4496355, 5995140, 8992710, 17985420]

約数ペア:

[(1, 17985420), (2, 8992710), (3, 5995140), (4, 4496355), (5, 3597084), (6, 2997570), (9, 1998380), (10, 1798542), (12, 1498785), (15, 1199028), (18, 999190), (20, 899271), (30, 599514), (36, 499595), (45, 399676), (60, 299757), (90, 199838), (163, 110340), (180, 99919), (326, 55170), (489, 36780), (613, 29340), (652, 27585), (815, 22068), (978, 18390), (1226, 14670), (1467, 12260), (1630, 11034), (1839, 9780), (1956, 9195), (2445, 7356), (2452, 7335), (2934, 6130), (3065, 5868), (3260, 5517), (3678, 4890)]