19886178

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{2339}}^1$

素因数の和:2466

約数の個数: 32

約数和(自身を含む): 43243200

約数和(自身を除く): 23357022

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 109, 218, 327, 654, 1417, 2339, 2834, 4251, 4678, 7017, 8502, 14034, 30407, 60814, 91221, 182442, 254951, 509902, 764853, 1529706, 3314363, 6628726, 9943089, 19886178]

約数ペア:

[(1, 19886178), (2, 9943089), (3, 6628726), (6, 3314363), (13, 1529706), (26, 764853), (39, 509902), (78, 254951), (109, 182442), (218, 91221), (327, 60814), (654, 30407), (1417, 14034), (2339, 8502), (2834, 7017), (4251, 4678)]