19792604

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1$

素因数の和:139

約数の個数: 72

約数和(自身を含む): 41811840

約数和(自身を除く): 22019236

約数列:

[1, 2, 4, 13, 19, 23, 26, 38, 46, 52, 67, 76, 92, 134, 169, 247, 268, 299, 338, 437, 494, 598, 676, 871, 874, 988, 1196, 1273, 1541, 1742, 1748, 2546, 3082, 3211, 3484, 3887, 5092, 5681, 6164, 6422, 7774, 11323, 11362, 12844, 15548, 16549, 20033, 22646, 22724, 29279, 33098, 40066, 45292, 58558, 66196, 73853, 80132, 117116, 147706, 215137, 260429, 295412, 380627, 430274, 520858, 761254, 860548, 1041716, 1522508, 4948151, 9896302, 19792604]

約数ペア:

[(1, 19792604), (2, 9896302), (4, 4948151), (13, 1522508), (19, 1041716), (23, 860548), (26, 761254), (38, 520858), (46, 430274), (52, 380627), (67, 295412), (76, 260429), (92, 215137), (134, 147706), (169, 117116), (247, 80132), (268, 73853), (299, 66196), (338, 58558), (437, 45292), (494, 40066), (598, 33098), (676, 29279), (871, 22724), (874, 22646), (988, 20033), (1196, 16549), (1273, 15548), (1541, 12844), (1742, 11362), (1748, 11323), (2546, 7774), (3082, 6422), (3211, 6164), (3484, 5681), (3887, 5092)]