18999778

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{823}}^1$

素因数の和:946

約数の個数: 32

約数和(自身を含む): 34884864

約数和(自身を除く): 15885086

約数列:

[1, 2, 7, 14, 17, 34, 97, 119, 194, 238, 679, 823, 1358, 1646, 1649, 3298, 5761, 11522, 11543, 13991, 23086, 27982, 79831, 97937, 159662, 195874, 558817, 1117634, 1357127, 2714254, 9499889, 18999778]

約数ペア:

[(1, 18999778), (2, 9499889), (7, 2714254), (14, 1357127), (17, 1117634), (34, 558817), (97, 195874), (119, 159662), (194, 97937), (238, 79831), (679, 27982), (823, 23086), (1358, 13991), (1646, 11543), (1649, 11522), (3298, 5761)]