19370390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1367}}^1$

素因数の和:1496

約数の個数: 32

約数和(自身を含む): 37920960

約数和(自身を除く): 18550570

約数列:

[1, 2, 5, 10, 13, 26, 65, 109, 130, 218, 545, 1090, 1367, 1417, 2734, 2834, 6835, 7085, 13670, 14170, 17771, 35542, 88855, 149003, 177710, 298006, 745015, 1490030, 1937039, 3874078, 9685195, 19370390]

約数ペア:

[(1, 19370390), (2, 9685195), (5, 3874078), (10, 1937039), (13, 1490030), (26, 745015), (65, 298006), (109, 177710), (130, 149003), (218, 88855), (545, 35542), (1090, 17771), (1367, 14170), (1417, 13670), (2734, 7085), (2834, 6835)]