19719804

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{1523}}^1$

素因数の和:1626

約数の個数: 48

約数和(自身を含む): 50182272

約数和(自身を除く): 30462468

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 83, 156, 166, 249, 332, 498, 996, 1079, 1523, 2158, 3046, 3237, 4316, 4569, 6092, 6474, 9138, 12948, 18276, 19799, 39598, 59397, 79196, 118794, 126409, 237588, 252818, 379227, 505636, 758454, 1516908, 1643317, 3286634, 4929951, 6573268, 9859902, 19719804]

約数ペア:

[(1, 19719804), (2, 9859902), (3, 6573268), (4, 4929951), (6, 3286634), (12, 1643317), (13, 1516908), (26, 758454), (39, 505636), (52, 379227), (78, 252818), (83, 237588), (156, 126409), (166, 118794), (249, 79196), (332, 59397), (498, 39598), (996, 19799), (1079, 18276), (1523, 12948), (2158, 9138), (3046, 6474), (3237, 6092), (4316, 4569)]