9998370

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1949}}^1$

素因数の和:1984

約数の個数: 64

約数和(自身を含む): 28080000

約数和(自身を除く): 18081630

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 38, 45, 54, 57, 90, 95, 114, 135, 171, 190, 270, 285, 342, 513, 570, 855, 1026, 1710, 1949, 2565, 3898, 5130, 5847, 9745, 11694, 17541, 19490, 29235, 35082, 37031, 52623, 58470, 74062, 87705, 105246, 111093, 175410, 185155, 222186, 263115, 333279, 370310, 526230, 555465, 666558, 999837, 1110930, 1666395, 1999674, 3332790, 4999185, 9998370]

約数ペア:

[(1, 9998370), (2, 4999185), (3, 3332790), (5, 1999674), (6, 1666395), (9, 1110930), (10, 999837), (15, 666558), (18, 555465), (19, 526230), (27, 370310), (30, 333279), (38, 263115), (45, 222186), (54, 185155), (57, 175410), (90, 111093), (95, 105246), (114, 87705), (135, 74062), (171, 58470), (190, 52623), (270, 37031), (285, 35082), (342, 29235), (513, 19490), (570, 17541), (855, 11694), (1026, 9745), (1710, 5847), (1949, 5130), (2565, 3898)]