19453072

素因数分解:

$2^4\times {\mathrm{163}}^1\times {\mathrm{7459}}^1$

素因数の和:7630

約数の個数: 20

約数和(自身を含む): 37926640

約数和(自身を除く): 18473568

約数列:

[1, 2, 4, 8, 16, 163, 326, 652, 1304, 2608, 7459, 14918, 29836, 59672, 119344, 1215817, 2431634, 4863268, 9726536, 19453072]

約数ペア:

[(1, 19453072), (2, 9726536), (4, 4863268), (8, 2431634), (16, 1215817), (163, 119344), (326, 59672), (652, 29836), (1304, 14918), (2608, 7459)]