19970190

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{221891}}^1$

素因数の和:221904

約数の個数: 24

約数和(自身を含む): 51922728

約数和(自身を除く): 31952538

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 221891, 443782, 665673, 1109455, 1331346, 1997019, 2218910, 3328365, 3994038, 6656730, 9985095, 19970190]

約数ペア:

[(1, 19970190), (2, 9985095), (3, 6656730), (5, 3994038), (6, 3328365), (9, 2218910), (10, 1997019), (15, 1331346), (18, 1109455), (30, 665673), (45, 443782), (90, 221891)]