18863996

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{1021}}^1$

素因数の和:1205

約数の個数: 24

約数和(自身を含む): 34339200

約数和(自身を除く): 15475204

約数列:

[1, 2, 4, 31, 62, 124, 149, 298, 596, 1021, 2042, 4084, 4619, 9238, 18476, 31651, 63302, 126604, 152129, 304258, 608516, 4715999, 9431998, 18863996]

約数ペア:

[(1, 18863996), (2, 9431998), (4, 4715999), (31, 608516), (62, 304258), (124, 152129), (149, 126604), (298, 63302), (596, 31651), (1021, 18476), (2042, 9238), (4084, 4619)]