19607965

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{263}}^1$

素因数の和:349

約数の個数: 32

約数和(自身を含む): 26966016

約数和(自身を除く): 7358051

約数列:

[1, 5, 13, 31, 37, 65, 155, 185, 263, 403, 481, 1147, 1315, 2015, 2405, 3419, 5735, 8153, 9731, 14911, 17095, 40765, 48655, 74555, 105989, 126503, 301661, 529945, 632515, 1508305, 3921593, 19607965]

約数ペア:

[(1, 19607965), (5, 3921593), (13, 1508305), (31, 632515), (37, 529945), (65, 301661), (155, 126503), (185, 105989), (263, 74555), (403, 48655), (481, 40765), (1147, 17095), (1315, 14911), (2015, 9731), (2405, 8153), (3419, 5735)]