18258628

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{643}}^1$

素因数の和:907

約数の個数: 24

約数和(自身を含む): 33178880

約数和(自身を除く): 14920252

約数列:

[1, 2, 4, 31, 62, 124, 229, 458, 643, 916, 1286, 2572, 7099, 14198, 19933, 28396, 39866, 79732, 147247, 294494, 588988, 4564657, 9129314, 18258628]

約数ペア:

[(1, 18258628), (2, 9129314), (4, 4564657), (31, 588988), (62, 294494), (124, 147247), (229, 79732), (458, 39866), (643, 28396), (916, 19933), (1286, 14198), (2572, 7099)]