19899638

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{15331}}^1$

素因数の和:15403

約数の個数: 16

約数和(自身を含む): 33117120

約数和(自身を除く): 13217482

約数列:

[1, 2, 11, 22, 59, 118, 649, 1298, 15331, 30662, 168641, 337282, 904529, 1809058, 9949819, 19899638]

約数ペア:

[(1, 19899638), (2, 9949819), (11, 1809058), (22, 904529), (59, 337282), (118, 168641), (649, 30662), (1298, 15331)]