19843380

素因数分解:

$2^2\times 3^6\times 5^1\times {\mathrm{1361}}^1$

素因数の和:1388

約数の個数: 84

約数和(自身を含む): 62523972

約数和(自身を除く): 42680592

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 729, 810, 972, 1215, 1361, 1458, 1620, 2430, 2722, 2916, 3645, 4083, 4860, 5444, 6805, 7290, 8166, 12249, 13610, 14580, 16332, 20415, 24498, 27220, 36747, 40830, 48996, 61245, 73494, 81660, 110241, 122490, 146988, 183735, 220482, 244980, 330723, 367470, 440964, 551205, 661446, 734940, 992169, 1102410, 1322892, 1653615, 1984338, 2204820, 3307230, 3968676, 4960845, 6614460, 9921690, 19843380]

約数ペア:

[(1, 19843380), (2, 9921690), (3, 6614460), (4, 4960845), (5, 3968676), (6, 3307230), (9, 2204820), (10, 1984338), (12, 1653615), (15, 1322892), (18, 1102410), (20, 992169), (27, 734940), (30, 661446), (36, 551205), (45, 440964), (54, 367470), (60, 330723), (81, 244980), (90, 220482), (108, 183735), (135, 146988), (162, 122490), (180, 110241), (243, 81660), (270, 73494), (324, 61245), (405, 48996), (486, 40830), (540, 36747), (729, 27220), (810, 24498), (972, 20415), (1215, 16332), (1361, 14580), (1458, 13610), (1620, 12249), (2430, 8166), (2722, 7290), (2916, 6805), (3645, 5444), (4083, 4860)]