19643450

素因数分解:

$2^1\times 5^2\times {\mathrm{131}}^1\times {\mathrm{2999}}^1$

素因数の和:3142

約数の個数: 24

約数和(自身を含む): 36828000

約数和(自身を除く): 17184550

約数列:

[1, 2, 5, 10, 25, 50, 131, 262, 655, 1310, 2999, 3275, 5998, 6550, 14995, 29990, 74975, 149950, 392869, 785738, 1964345, 3928690, 9821725, 19643450]

約数ペア:

[(1, 19643450), (2, 9821725), (5, 3928690), (10, 1964345), (25, 785738), (50, 392869), (131, 149950), (262, 74975), (655, 29990), (1310, 14995), (2999, 6550), (3275, 5998)]