19391229

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:123

約数の個数: 72

約数和(自身を含む): 35399520

約数和(自身を除く): 16008291

約数列:

[1, 3, 9, 11, 13, 19, 33, 39, 57, 61, 99, 117, 143, 169, 171, 183, 209, 247, 429, 507, 549, 627, 671, 741, 793, 1159, 1287, 1521, 1859, 1881, 2013, 2223, 2379, 2717, 3211, 3477, 5577, 6039, 7137, 8151, 8723, 9633, 10309, 10431, 12749, 15067, 16731, 24453, 26169, 28899, 30927, 35321, 38247, 45201, 78507, 92781, 105963, 113399, 114741, 135603, 165737, 195871, 317889, 340197, 497211, 587613, 1020591, 1491633, 1762839, 2154581, 6463743, 19391229]

約数ペア:

[(1, 19391229), (3, 6463743), (9, 2154581), (11, 1762839), (13, 1491633), (19, 1020591), (33, 587613), (39, 497211), (57, 340197), (61, 317889), (99, 195871), (117, 165737), (143, 135603), (169, 114741), (171, 113399), (183, 105963), (209, 92781), (247, 78507), (429, 45201), (507, 38247), (549, 35321), (627, 30927), (671, 28899), (741, 26169), (793, 24453), (1159, 16731), (1287, 15067), (1521, 12749), (1859, 10431), (1881, 10309), (2013, 9633), (2223, 8723), (2379, 8151), (2717, 7137), (3211, 6039), (3477, 5577)]