18280458

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{137}}^1\times {\mathrm{353}}^1$

素因数の和:508

約数の個数: 64

約数和(自身を含む): 46897920

約数和(自身を除く): 28617462

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 137, 189, 274, 353, 378, 411, 706, 822, 959, 1059, 1233, 1918, 2118, 2466, 2471, 2877, 3177, 3699, 4942, 5754, 6354, 7398, 7413, 8631, 9531, 14826, 17262, 19062, 22239, 25893, 44478, 48361, 51786, 66717, 96722, 133434, 145083, 290166, 338527, 435249, 677054, 870498, 1015581, 1305747, 2031162, 2611494, 3046743, 6093486, 9140229, 18280458]

約数ペア:

[(1, 18280458), (2, 9140229), (3, 6093486), (6, 3046743), (7, 2611494), (9, 2031162), (14, 1305747), (18, 1015581), (21, 870498), (27, 677054), (42, 435249), (54, 338527), (63, 290166), (126, 145083), (137, 133434), (189, 96722), (274, 66717), (353, 51786), (378, 48361), (411, 44478), (706, 25893), (822, 22239), (959, 19062), (1059, 17262), (1233, 14826), (1918, 9531), (2118, 8631), (2466, 7413), (2471, 7398), (2877, 6354), (3177, 5754), (3699, 4942)]