19493604

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1811}}^1$

素因数の和:1857

約数の個数: 72

約数和(自身を含む): 55403712

約数和(自身を除く): 35910108

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 23, 26, 36, 39, 46, 52, 69, 78, 92, 117, 138, 156, 207, 234, 276, 299, 414, 468, 598, 828, 897, 1196, 1794, 1811, 2691, 3588, 3622, 5382, 5433, 7244, 10764, 10866, 16299, 21732, 23543, 32598, 41653, 47086, 65196, 70629, 83306, 94172, 124959, 141258, 166612, 211887, 249918, 282516, 374877, 423774, 499836, 541489, 749754, 847548, 1082978, 1499508, 1624467, 2165956, 3248934, 4873401, 6497868, 9746802, 19493604]

約数ペア:

[(1, 19493604), (2, 9746802), (3, 6497868), (4, 4873401), (6, 3248934), (9, 2165956), (12, 1624467), (13, 1499508), (18, 1082978), (23, 847548), (26, 749754), (36, 541489), (39, 499836), (46, 423774), (52, 374877), (69, 282516), (78, 249918), (92, 211887), (117, 166612), (138, 141258), (156, 124959), (207, 94172), (234, 83306), (276, 70629), (299, 65196), (414, 47086), (468, 41653), (598, 32598), (828, 23543), (897, 21732), (1196, 16299), (1794, 10866), (1811, 10764), (2691, 7244), (3588, 5433), (3622, 5382)]