19827236

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2039}}^1$

素因数の和:2084

約数の個数: 48

約数和(自身を含む): 43182720

約数和(自身を除く): 23355484

約数列:

[1, 2, 4, 11, 13, 17, 22, 26, 34, 44, 52, 68, 143, 187, 221, 286, 374, 442, 572, 748, 884, 2039, 2431, 4078, 4862, 8156, 9724, 22429, 26507, 34663, 44858, 53014, 69326, 89716, 106028, 138652, 291577, 381293, 450619, 583154, 762586, 901238, 1166308, 1525172, 1802476, 4956809, 9913618, 19827236]

約数ペア:

[(1, 19827236), (2, 9913618), (4, 4956809), (11, 1802476), (13, 1525172), (17, 1166308), (22, 901238), (26, 762586), (34, 583154), (44, 450619), (52, 381293), (68, 291577), (143, 138652), (187, 106028), (221, 89716), (286, 69326), (374, 53014), (442, 44858), (572, 34663), (748, 26507), (884, 22429), (2039, 9724), (2431, 8156), (4078, 4862)]