18460040

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{12473}}^1$

素因数の和:12521

約数の個数: 32

約数和(自身を含む): 42661080

約数和(自身を除く): 24201040

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 12473, 24946, 49892, 62365, 99784, 124730, 249460, 461501, 498920, 923002, 1846004, 2307505, 3692008, 4615010, 9230020, 18460040]

約数ペア:

[(1, 18460040), (2, 9230020), (4, 4615010), (5, 3692008), (8, 2307505), (10, 1846004), (20, 923002), (37, 498920), (40, 461501), (74, 249460), (148, 124730), (185, 99784), (296, 62365), (370, 49892), (740, 24946), (1480, 12473)]