19189944

素因数分解:

$2^3\times 3^2\times {\mathrm{311}}^1\times {\mathrm{857}}^1$

素因数の和:1180

約数の個数: 48

約数和(自身を含む): 52200720

約数和(自身を除く): 33010776

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 311, 622, 857, 933, 1244, 1714, 1866, 2488, 2571, 2799, 3428, 3732, 5142, 5598, 6856, 7464, 7713, 10284, 11196, 15426, 20568, 22392, 30852, 61704, 266527, 533054, 799581, 1066108, 1599162, 2132216, 2398743, 3198324, 4797486, 6396648, 9594972, 19189944]

約数ペア:

[(1, 19189944), (2, 9594972), (3, 6396648), (4, 4797486), (6, 3198324), (8, 2398743), (9, 2132216), (12, 1599162), (18, 1066108), (24, 799581), (36, 533054), (72, 266527), (311, 61704), (622, 30852), (857, 22392), (933, 20568), (1244, 15426), (1714, 11196), (1866, 10284), (2488, 7713), (2571, 7464), (2799, 6856), (3428, 5598), (3732, 5142)]