18254988

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^1\times {\mathrm{10789}}^1$

素因数の和:10846

約数の個数: 36

約数和(自身を含む): 47130720

約数和(自身を除く): 28875732

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 94, 141, 188, 282, 423, 564, 846, 1692, 10789, 21578, 32367, 43156, 64734, 97101, 129468, 194202, 388404, 507083, 1014166, 1521249, 2028332, 3042498, 4563747, 6084996, 9127494, 18254988]

約数ペア:

[(1, 18254988), (2, 9127494), (3, 6084996), (4, 4563747), (6, 3042498), (9, 2028332), (12, 1521249), (18, 1014166), (36, 507083), (47, 388404), (94, 194202), (141, 129468), (188, 97101), (282, 64734), (423, 43156), (564, 32367), (846, 21578), (1692, 10789)]