19165020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{45631}}^1$

素因数の和:45650

約数の個数: 48

約数和(自身を含む): 61329408

約数和(自身を除く): 42164388

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 45631, 91262, 136893, 182524, 228155, 273786, 319417, 456310, 547572, 638834, 684465, 912620, 958251, 1277668, 1368930, 1597085, 1916502, 2737860, 3194170, 3833004, 4791255, 6388340, 9582510, 19165020]

約数ペア:

[(1, 19165020), (2, 9582510), (3, 6388340), (4, 4791255), (5, 3833004), (6, 3194170), (7, 2737860), (10, 1916502), (12, 1597085), (14, 1368930), (15, 1277668), (20, 958251), (21, 912620), (28, 684465), (30, 638834), (35, 547572), (42, 456310), (60, 319417), (70, 273786), (84, 228155), (105, 182524), (140, 136893), (210, 91262), (420, 45631)]