219929788

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{222601}}^1$

素因数の和:222637

約数の個数: 24

約数和(自身を含む): 436299920

約数和(自身を除く): 216370132

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 222601, 445202, 890404, 2893813, 4229419, 5787626, 8458838, 11575252, 16917676, 54982447, 109964894, 219929788]

約数ペア:

[(1, 219929788), (2, 109964894), (4, 54982447), (13, 16917676), (19, 11575252), (26, 8458838), (38, 5787626), (52, 4229419), (76, 2893813), (247, 890404), (494, 445202), (988, 222601)]