19987126

素因数分解:

$2^1\times {\mathrm{19}}^3\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:137

約数の個数: 32

約数和(自身を含む): 33361920

約数和(自身を除く): 13374794

約数列:

[1, 2, 19, 31, 38, 47, 62, 94, 361, 589, 722, 893, 1178, 1457, 1786, 2914, 6859, 11191, 13718, 16967, 22382, 27683, 33934, 55366, 212629, 322373, 425258, 525977, 644746, 1051954, 9993563, 19987126]

約数ペア:

[(1, 19987126), (2, 9993563), (19, 1051954), (31, 644746), (38, 525977), (47, 425258), (62, 322373), (94, 212629), (361, 55366), (589, 33934), (722, 27683), (893, 22382), (1178, 16967), (1457, 13718), (1786, 11191), (2914, 6859)]