19679790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{50461}}^1$

素因数の和:50484

約数の個数: 32

約数和(自身を含む): 50865696

約数和(自身を除く): 31185906

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 50461, 100922, 151383, 252305, 302766, 504610, 655993, 756915, 1311986, 1513830, 1967979, 3279965, 3935958, 6559930, 9839895, 19679790]

約数ペア:

[(1, 19679790), (2, 9839895), (3, 6559930), (5, 3935958), (6, 3279965), (10, 1967979), (13, 1513830), (15, 1311986), (26, 756915), (30, 655993), (39, 504610), (65, 302766), (78, 252305), (130, 151383), (195, 100922), (390, 50461)]