18812044797

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{661}}^1\times {\mathrm{1709}}^1$

素因数の和:2454

約数の個数: 64

約数和(自身を含む): 31442987520

約数和(自身を除く): 12630942723

約数列:

[1, 3, 7, 13, 21, 39, 61, 91, 183, 273, 427, 661, 793, 1281, 1709, 1983, 2379, 4627, 5127, 5551, 8593, 11963, 13881, 16653, 22217, 25779, 35889, 40321, 60151, 66651, 104249, 120963, 155519, 180453, 282247, 312747, 466557, 524173, 729743, 846741, 1129649, 1355237, 1572519, 2189229, 3388947, 3669211, 4065711, 7907543, 9486659, 11007633, 14685437, 23722629, 28459977, 44056311, 68908589, 102798059, 206725767, 308394177, 482360123, 895811657, 1447080369, 2687434971, 6270681599, 18812044797]

約数ペア:

[(1, 18812044797), (3, 6270681599), (7, 2687434971), (13, 1447080369), (21, 895811657), (39, 482360123), (61, 308394177), (91, 206725767), (183, 102798059), (273, 68908589), (427, 44056311), (661, 28459977), (793, 23722629), (1281, 14685437), (1709, 11007633), (1983, 9486659), (2379, 7907543), (4627, 4065711), (5127, 3669211), (5551, 3388947), (8593, 2189229), (11963, 1572519), (13881, 1355237), (16653, 1129649), (22217, 846741), (25779, 729743), (35889, 524173), (40321, 466557), (60151, 312747), (66651, 282247), (104249, 180453), (120963, 155519)]