19480120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{44273}}^1$

素因数の和:44295

約数の個数: 32

約数和(自身を含む): 47815920

約数和(自身を除く): 28335800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 44273, 88546, 177092, 221365, 354184, 442730, 487003, 885460, 974006, 1770920, 1948012, 2435015, 3896024, 4870030, 9740060, 19480120]

約数ペア:

[(1, 19480120), (2, 9740060), (4, 4870030), (5, 3896024), (8, 2435015), (10, 1948012), (11, 1770920), (20, 974006), (22, 885460), (40, 487003), (44, 442730), (55, 354184), (88, 221365), (110, 177092), (220, 88546), (440, 44273)]