17940972

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{1559}}^1$

素因数の和:1710

約数の個数: 48

約数和(自身を含む): 48222720

約数和(自身を除く): 30281748

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 137, 274, 411, 548, 822, 959, 1559, 1644, 1918, 2877, 3118, 3836, 4677, 5754, 6236, 9354, 10913, 11508, 18708, 21826, 32739, 43652, 65478, 130956, 213583, 427166, 640749, 854332, 1281498, 1495081, 2562996, 2990162, 4485243, 5980324, 8970486, 17940972]

約数ペア:

[(1, 17940972), (2, 8970486), (3, 5980324), (4, 4485243), (6, 2990162), (7, 2562996), (12, 1495081), (14, 1281498), (21, 854332), (28, 640749), (42, 427166), (84, 213583), (137, 130956), (274, 65478), (411, 43652), (548, 32739), (822, 21826), (959, 18708), (1559, 11508), (1644, 10913), (1918, 9354), (2877, 6236), (3118, 5754), (3836, 4677)]