18959931

素因数分解:

$3^2\times {\mathrm{103}}^1\times {\mathrm{113}}^1\times {\mathrm{181}}^1$

素因数の和:403

約数の個数: 24

約数和(自身を含む): 28051296

約数和(自身を除く): 9091365

約数列:

[1, 3, 9, 103, 113, 181, 309, 339, 543, 927, 1017, 1629, 11639, 18643, 20453, 34917, 55929, 61359, 104751, 167787, 184077, 2106659, 6319977, 18959931]

約数ペア:

[(1, 18959931), (3, 6319977), (9, 2106659), (103, 184077), (113, 167787), (181, 104751), (309, 61359), (339, 55929), (543, 34917), (927, 20453), (1017, 18643), (1629, 11639)]