19898889210

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{221098769}}^1$

素因数の和:221098782

約数の個数: 24

約数和(自身を含む): 51737112180

約数和(自身を除く): 31838222970

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 221098769, 442197538, 663296307, 1105493845, 1326592614, 1989888921, 2210987690, 3316481535, 3979777842, 6632963070, 9949444605, 19898889210]

約数ペア:

[(1, 19898889210), (2, 9949444605), (3, 6632963070), (5, 3979777842), (6, 3316481535), (9, 2210987690), (10, 1989888921), (15, 1326592614), (18, 1105493845), (30, 663296307), (45, 442197538), (90, 221098769)]