18360140

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{577}}^1$

素因数の和:666

約数の個数: 48

約数和(自身を含む): 40589472

約数和(自身を除く): 22229332

約数列:

[1, 2, 4, 5, 10, 20, 37, 43, 74, 86, 148, 172, 185, 215, 370, 430, 577, 740, 860, 1154, 1591, 2308, 2885, 3182, 5770, 6364, 7955, 11540, 15910, 21349, 24811, 31820, 42698, 49622, 85396, 99244, 106745, 124055, 213490, 248110, 426980, 496220, 918007, 1836014, 3672028, 4590035, 9180070, 18360140]

約数ペア:

[(1, 18360140), (2, 9180070), (4, 4590035), (5, 3672028), (10, 1836014), (20, 918007), (37, 496220), (43, 426980), (74, 248110), (86, 213490), (148, 124055), (172, 106745), (185, 99244), (215, 85396), (370, 49622), (430, 42698), (577, 31820), (740, 24811), (860, 21349), (1154, 15910), (1591, 11540), (2308, 7955), (2885, 6364), (3182, 5770)]