19479618

素因数分解:

$2^1\times 3^2\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{157}}^1$

素因数の和:339

約数の個数: 48

約数和(自身を含む): 43553016

約数和(自身を除く): 24073398

約数列:

[1, 2, 3, 6, 9, 18, 61, 113, 122, 157, 183, 226, 314, 339, 366, 471, 549, 678, 942, 1017, 1098, 1413, 2034, 2826, 6893, 9577, 13786, 17741, 19154, 20679, 28731, 35482, 41358, 53223, 57462, 62037, 86193, 106446, 124074, 159669, 172386, 319338, 1082201, 2164402, 3246603, 6493206, 9739809, 19479618]

約数ペア:

[(1, 19479618), (2, 9739809), (3, 6493206), (6, 3246603), (9, 2164402), (18, 1082201), (61, 319338), (113, 172386), (122, 159669), (157, 124074), (183, 106446), (226, 86193), (314, 62037), (339, 57462), (366, 53223), (471, 41358), (549, 35482), (678, 28731), (942, 20679), (1017, 19154), (1098, 17741), (1413, 13786), (2034, 9577), (2826, 6893)]