19221800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{7393}}^1$

素因数の和:7422

約数の個数: 48

約数和(自身を含む): 48134940

約数和(自身を除く): 28913140

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 7393, 14786, 29572, 36965, 59144, 73930, 96109, 147860, 184825, 192218, 295720, 369650, 384436, 480545, 739300, 768872, 961090, 1478600, 1922180, 2402725, 3844360, 4805450, 9610900, 19221800]

約数ペア:

[(1, 19221800), (2, 9610900), (4, 4805450), (5, 3844360), (8, 2402725), (10, 1922180), (13, 1478600), (20, 961090), (25, 768872), (26, 739300), (40, 480545), (50, 384436), (52, 369650), (65, 295720), (100, 192218), (104, 184825), (130, 147860), (200, 96109), (260, 73930), (325, 59144), (520, 36965), (650, 29572), (1300, 14786), (2600, 7393)]