18997610

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{601}}^1$

素因数の和:746

約数の個数: 32

約数和(自身を含む): 35758800

約数和(自身を除く): 16761190

約数列:

[1, 2, 5, 10, 29, 58, 109, 145, 218, 290, 545, 601, 1090, 1202, 3005, 3161, 6010, 6322, 15805, 17429, 31610, 34858, 65509, 87145, 131018, 174290, 327545, 655090, 1899761, 3799522, 9498805, 18997610]

約数ペア:

[(1, 18997610), (2, 9498805), (5, 3799522), (10, 1899761), (29, 655090), (58, 327545), (109, 174290), (145, 131018), (218, 87145), (290, 65509), (545, 34858), (601, 31610), (1090, 17429), (1202, 15805), (3005, 6322), (3161, 6010)]