19643169

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{541}}^1$

素因数の和:590

約数の個数: 48

約数和(自身を含む): 34601280

約数和(自身を除く): 14958111

約数列:

[1, 3, 7, 13, 19, 21, 39, 49, 57, 91, 133, 147, 247, 273, 399, 541, 637, 741, 931, 1623, 1729, 1911, 2793, 3787, 5187, 7033, 10279, 11361, 12103, 21099, 26509, 30837, 36309, 49231, 71953, 79527, 133627, 147693, 215859, 344617, 400881, 503671, 935389, 1033851, 1511013, 2806167, 6547723, 19643169]

約数ペア:

[(1, 19643169), (3, 6547723), (7, 2806167), (13, 1511013), (19, 1033851), (21, 935389), (39, 503671), (49, 400881), (57, 344617), (91, 215859), (133, 147693), (147, 133627), (247, 79527), (273, 71953), (399, 49231), (541, 36309), (637, 30837), (741, 26509), (931, 21099), (1623, 12103), (1729, 11361), (1911, 10279), (2793, 7033), (3787, 5187)]