19223204

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4801}}^1$

素因数の和:4836

約数の個数: 48

約数和(自身を含む): 45177216

約数和(自身を除く): 25954012

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 182, 286, 308, 364, 572, 1001, 2002, 4004, 4801, 9602, 19204, 33607, 52811, 62413, 67214, 105622, 124826, 134428, 211244, 249652, 369677, 436891, 686543, 739354, 873782, 1373086, 1478708, 1747564, 2746172, 4805801, 9611602, 19223204]

約数ペア:

[(1, 19223204), (2, 9611602), (4, 4805801), (7, 2746172), (11, 1747564), (13, 1478708), (14, 1373086), (22, 873782), (26, 739354), (28, 686543), (44, 436891), (52, 369677), (77, 249652), (91, 211244), (143, 134428), (154, 124826), (182, 105622), (286, 67214), (308, 62413), (364, 52811), (572, 33607), (1001, 19204), (2002, 9602), (4004, 4801)]