18103935

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1$

素因数の和:359

約数の個数: 32

約数和(自身を含む): 29859840

約数和(自身を除く): 11755905

約数列:

[1, 3, 5, 15, 71, 89, 191, 213, 267, 355, 445, 573, 955, 1065, 1335, 2865, 6319, 13561, 16999, 18957, 31595, 40683, 50997, 67805, 84995, 94785, 203415, 254985, 1206929, 3620787, 6034645, 18103935]

約数ペア:

[(1, 18103935), (3, 6034645), (5, 3620787), (15, 1206929), (71, 254985), (89, 203415), (191, 94785), (213, 84995), (267, 67805), (355, 50997), (445, 40683), (573, 31595), (955, 18957), (1065, 16999), (1335, 13561), (2865, 6319)]