19478676

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{211}}^1$

素因数の和:389

約数の個数: 72

約数和(自身を含む): 53459616

約数和(自身を除く): 33980940

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 157, 196, 211, 294, 314, 422, 471, 588, 628, 633, 844, 942, 1099, 1266, 1477, 1884, 2198, 2532, 2954, 3297, 4396, 4431, 5908, 6594, 7693, 8862, 10339, 13188, 15386, 17724, 20678, 23079, 30772, 31017, 33127, 41356, 46158, 62034, 66254, 92316, 99381, 124068, 132508, 198762, 231889, 397524, 463778, 695667, 927556, 1391334, 1623223, 2782668, 3246446, 4869669, 6492892, 9739338, 19478676]

約数ペア:

[(1, 19478676), (2, 9739338), (3, 6492892), (4, 4869669), (6, 3246446), (7, 2782668), (12, 1623223), (14, 1391334), (21, 927556), (28, 695667), (42, 463778), (49, 397524), (84, 231889), (98, 198762), (147, 132508), (157, 124068), (196, 99381), (211, 92316), (294, 66254), (314, 62034), (422, 46158), (471, 41356), (588, 33127), (628, 31017), (633, 30772), (844, 23079), (942, 20678), (1099, 17724), (1266, 15386), (1477, 13188), (1884, 10339), (2198, 8862), (2532, 7693), (2954, 6594), (3297, 5908), (4396, 4431)]