19628726

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{181}}^1$

素因数の和:336

約数の個数: 32

約数和(自身を含む): 32960928

約数和(自身を除く): 13332202

約数列:

[1, 2, 13, 26, 43, 86, 97, 181, 194, 362, 559, 1118, 1261, 2353, 2522, 4171, 4706, 7783, 8342, 15566, 17557, 35114, 54223, 101179, 108446, 202358, 228241, 456482, 754951, 1509902, 9814363, 19628726]

約数ペア:

[(1, 19628726), (2, 9814363), (13, 1509902), (26, 754951), (43, 456482), (86, 228241), (97, 202358), (181, 108446), (194, 101179), (362, 54223), (559, 35114), (1118, 17557), (1261, 15566), (2353, 8342), (2522, 7783), (4171, 4706)]