18181388

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{179}}^1\times {\mathrm{379}}^1$

素因数の和:629

約数の個数: 24

約数和(自身を含む): 32558400

約数和(自身を除く): 14377012

約数列:

[1, 2, 4, 67, 134, 179, 268, 358, 379, 716, 758, 1516, 11993, 23986, 25393, 47972, 50786, 67841, 101572, 135682, 271364, 4545347, 9090694, 18181388]

約数ペア:

[(1, 18181388), (2, 9090694), (4, 4545347), (67, 271364), (134, 135682), (179, 101572), (268, 67841), (358, 50786), (379, 47972), (716, 25393), (758, 23986), (1516, 11993)]