18493356

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{1607}}^1$

素因数の和:1758

約数の個数: 48

約数和(自身を含む): 49706496

約数和(自身を除く): 31213140

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 137, 274, 411, 548, 822, 959, 1607, 1644, 1918, 2877, 3214, 3836, 4821, 5754, 6428, 9642, 11249, 11508, 19284, 22498, 33747, 44996, 67494, 134988, 220159, 440318, 660477, 880636, 1320954, 1541113, 2641908, 3082226, 4623339, 6164452, 9246678, 18493356]

約数ペア:

[(1, 18493356), (2, 9246678), (3, 6164452), (4, 4623339), (6, 3082226), (7, 2641908), (12, 1541113), (14, 1320954), (21, 880636), (28, 660477), (42, 440318), (84, 220159), (137, 134988), (274, 67494), (411, 44996), (548, 33747), (822, 22498), (959, 19284), (1607, 11508), (1644, 11249), (1918, 9642), (2877, 6428), (3214, 5754), (3836, 4821)]