19674818

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:242

約数の個数: 32

約数和(自身を含む): 31872960

約数和(自身を除く): 12198142

約数列:

[1, 2, 29, 58, 61, 67, 83, 122, 134, 166, 1769, 1943, 2407, 3538, 3886, 4087, 4814, 5063, 5561, 8174, 10126, 11122, 118523, 146827, 161269, 237046, 293654, 322538, 339221, 678442, 9837409, 19674818]

約数ペア:

[(1, 19674818), (2, 9837409), (29, 678442), (58, 339221), (61, 322538), (67, 293654), (83, 237046), (122, 161269), (134, 146827), (166, 118523), (1769, 11122), (1943, 10126), (2407, 8174), (3538, 5561), (3886, 5063), (4087, 4814)]