19968702

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{419}}^1$

素因数の和:497

約数の個数: 48

約数和(自身を含む): 44271360

約数和(自身を除く): 24302658

約数列:

[1, 2, 3, 6, 13, 26, 39, 47, 78, 94, 141, 169, 282, 338, 419, 507, 611, 838, 1014, 1222, 1257, 1833, 2514, 3666, 5447, 7943, 10894, 15886, 16341, 19693, 23829, 32682, 39386, 47658, 59079, 70811, 118158, 141622, 212433, 256009, 424866, 512018, 768027, 1536054, 3328117, 6656234, 9984351, 19968702]

約数ペア:

[(1, 19968702), (2, 9984351), (3, 6656234), (6, 3328117), (13, 1536054), (26, 768027), (39, 512018), (47, 424866), (78, 256009), (94, 212433), (141, 141622), (169, 118158), (282, 70811), (338, 59079), (419, 47658), (507, 39386), (611, 32682), (838, 23829), (1014, 19693), (1222, 16341), (1257, 15886), (1833, 10894), (2514, 7943), (3666, 5447)]