19993402

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1319}}^1$

素因数の和:1398

約数の個数: 32

約数和(自身を含む): 35925120

約数和(自身を除く): 15931718

約数列:

[1, 2, 11, 13, 22, 26, 53, 106, 143, 286, 583, 689, 1166, 1319, 1378, 2638, 7579, 14509, 15158, 17147, 29018, 34294, 69907, 139814, 188617, 377234, 768977, 908791, 1537954, 1817582, 9996701, 19993402]

約数ペア:

[(1, 19993402), (2, 9996701), (11, 1817582), (13, 1537954), (22, 908791), (26, 768977), (53, 377234), (106, 188617), (143, 139814), (286, 69907), (583, 34294), (689, 29018), (1166, 17147), (1319, 15158), (1378, 14509), (2638, 7579)]