18657204955

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{449}}^1\times {\mathrm{5407}}^1$

素因数の和:5943

約数の個数: 32

約数和(自身を含む): 23654592000

約数和(自身を除く): 4997387045

約数列:

[1, 5, 29, 53, 145, 265, 449, 1537, 2245, 5407, 7685, 13021, 23797, 27035, 65105, 118985, 156803, 286571, 690113, 784015, 1432855, 2427743, 3450565, 8310559, 12138715, 41552795, 70404547, 128670379, 352022735, 643351895, 3731440991, 18657204955]

約数ペア:

[(1, 18657204955), (5, 3731440991), (29, 643351895), (53, 352022735), (145, 128670379), (265, 70404547), (449, 41552795), (1537, 12138715), (2245, 8310559), (5407, 3450565), (7685, 2427743), (13021, 1432855), (23797, 784015), (27035, 690113), (65105, 286571), (118985, 156803)]