19956510

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{10559}}^1$

素因数の和:10582

約数の個数: 64

約数和(自身を含む): 60825600

約数和(自身を除く): 40869090

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 10559, 21118, 31677, 52795, 63354, 73913, 95031, 105590, 147826, 158385, 190062, 221739, 285093, 316770, 369565, 443478, 475155, 570186, 665217, 739130, 950310, 1108695, 1330434, 1425465, 1995651, 2217390, 2850930, 3326085, 3991302, 6652170, 9978255, 19956510]

約数ペア:

[(1, 19956510), (2, 9978255), (3, 6652170), (5, 3991302), (6, 3326085), (7, 2850930), (9, 2217390), (10, 1995651), (14, 1425465), (15, 1330434), (18, 1108695), (21, 950310), (27, 739130), (30, 665217), (35, 570186), (42, 475155), (45, 443478), (54, 369565), (63, 316770), (70, 285093), (90, 221739), (105, 190062), (126, 158385), (135, 147826), (189, 105590), (210, 95031), (270, 73913), (315, 63354), (378, 52795), (630, 31677), (945, 21118), (1890, 10559)]