18721635664

素因数分解:

$2^4\times {\mathrm{16253}}^1\times {\mathrm{71993}}^1$

素因数の和:88254

約数の個数: 20

約数和(自身を含む): 36275904756

約数和(自身を除く): 17554269092

約数列:

[1, 2, 4, 8, 16, 16253, 32506, 65012, 71993, 130024, 143986, 260048, 287972, 575944, 1151888, 1170102229, 2340204458, 4680408916, 9360817832, 18721635664]

約数ペア:

[(1, 18721635664), (2, 9360817832), (4, 4680408916), (8, 2340204458), (16, 1170102229), (16253, 1151888), (32506, 575944), (65012, 287972), (71993, 260048), (130024, 143986)]