19002780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{547}}^1$

素因数の和:755

約数の個数: 72

約数和(自身を含む): 58046352

約数和(自身を除く): 39043572

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 193, 386, 547, 579, 772, 965, 1094, 1158, 1641, 1737, 1930, 2188, 2316, 2735, 2895, 3282, 3474, 3860, 4923, 5470, 5790, 6564, 6948, 8205, 8685, 9846, 10940, 11580, 16410, 17370, 19692, 24615, 32820, 34740, 49230, 98460, 105571, 211142, 316713, 422284, 527855, 633426, 950139, 1055710, 1266852, 1583565, 1900278, 2111420, 3167130, 3800556, 4750695, 6334260, 9501390, 19002780]

約数ペア:

[(1, 19002780), (2, 9501390), (3, 6334260), (4, 4750695), (5, 3800556), (6, 3167130), (9, 2111420), (10, 1900278), (12, 1583565), (15, 1266852), (18, 1055710), (20, 950139), (30, 633426), (36, 527855), (45, 422284), (60, 316713), (90, 211142), (180, 105571), (193, 98460), (386, 49230), (547, 34740), (579, 32820), (772, 24615), (965, 19692), (1094, 17370), (1158, 16410), (1641, 11580), (1737, 10940), (1930, 9846), (2188, 8685), (2316, 8205), (2735, 6948), (2895, 6564), (3282, 5790), (3474, 5470), (3860, 4923)]