19256940

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{11887}}^1$

素因数の和:11908

約数の個数: 60

約数和(自身を含む): 60414816

約数和(自身を除く): 41157876

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, 270, 324, 405, 540, 810, 1620, 11887, 23774, 35661, 47548, 59435, 71322, 106983, 118870, 142644, 178305, 213966, 237740, 320949, 356610, 427932, 534915, 641898, 713220, 962847, 1069830, 1283796, 1604745, 1925694, 2139660, 3209490, 3851388, 4814235, 6418980, 9628470, 19256940]

約数ペア:

[(1, 19256940), (2, 9628470), (3, 6418980), (4, 4814235), (5, 3851388), (6, 3209490), (9, 2139660), (10, 1925694), (12, 1604745), (15, 1283796), (18, 1069830), (20, 962847), (27, 713220), (30, 641898), (36, 534915), (45, 427932), (54, 356610), (60, 320949), (81, 237740), (90, 213966), (108, 178305), (135, 142644), (162, 118870), (180, 106983), (270, 71322), (324, 59435), (405, 47548), (540, 35661), (810, 23774), (1620, 11887)]