18897564

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{367}}^1\times {\mathrm{613}}^1$

素因数の和:994

約数の個数: 48

約数和(自身を含む): 50613248

約数和(自身を除く): 31715684

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 367, 613, 734, 1101, 1226, 1468, 1839, 2202, 2452, 2569, 3678, 4291, 4404, 5138, 7356, 7707, 8582, 10276, 12873, 15414, 17164, 25746, 30828, 51492, 224971, 449942, 674913, 899884, 1349826, 1574797, 2699652, 3149594, 4724391, 6299188, 9448782, 18897564]

約数ペア:

[(1, 18897564), (2, 9448782), (3, 6299188), (4, 4724391), (6, 3149594), (7, 2699652), (12, 1574797), (14, 1349826), (21, 899884), (28, 674913), (42, 449942), (84, 224971), (367, 51492), (613, 30828), (734, 25746), (1101, 17164), (1226, 15414), (1468, 12873), (1839, 10276), (2202, 8582), (2452, 7707), (2569, 7356), (3678, 5138), (4291, 4404)]