15641938

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{823}}^1$

素因数の和:898

約数の個数: 32

約数和(自身を含む): 27409536

約数和(自身を除く): 11767598

約数列:

[1, 2, 13, 17, 26, 34, 43, 86, 221, 442, 559, 731, 823, 1118, 1462, 1646, 9503, 10699, 13991, 19006, 21398, 27982, 35389, 70778, 181883, 363766, 460057, 601613, 920114, 1203226, 7820969, 15641938]

約数ペア:

[(1, 15641938), (2, 7820969), (13, 1203226), (17, 920114), (26, 601613), (34, 460057), (43, 363766), (86, 181883), (221, 70778), (442, 35389), (559, 27982), (731, 21398), (823, 19006), (1118, 13991), (1462, 10699), (1646, 9503)]