18641145

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{28901}}^1$

素因数の和:28952

約数の個数: 16

約数和(自身を含む): 30520512

約数和(自身を除く): 11879367

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 28901, 86703, 144505, 433515, 1242743, 3728229, 6213715, 18641145]

約数ペア:

[(1, 18641145), (3, 6213715), (5, 3728229), (15, 1242743), (43, 433515), (129, 144505), (215, 86703), (645, 28901)]