19936386

素因数分解:

$2^1\times 3^2\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{271}}^1$

素因数の和:407

約数の個数: 48

約数和(自身を含む): 44723328

約数和(自身を除く): 24786942

約数列:

[1, 2, 3, 6, 9, 18, 61, 67, 122, 134, 183, 201, 271, 366, 402, 542, 549, 603, 813, 1098, 1206, 1626, 2439, 4087, 4878, 8174, 12261, 16531, 18157, 24522, 33062, 36314, 36783, 49593, 54471, 73566, 99186, 108942, 148779, 163413, 297558, 326826, 1107577, 2215154, 3322731, 6645462, 9968193, 19936386]

約数ペア:

[(1, 19936386), (2, 9968193), (3, 6645462), (6, 3322731), (9, 2215154), (18, 1107577), (61, 326826), (67, 297558), (122, 163413), (134, 148779), (183, 108942), (201, 99186), (271, 73566), (366, 54471), (402, 49593), (542, 36783), (549, 36314), (603, 33062), (813, 24522), (1098, 18157), (1206, 16531), (1626, 12261), (2439, 8174), (4087, 4878)]