138571938

素因数分解:

$2^1\times 3^3\times {\mathrm{137}}^1\times {\mathrm{18731}}^1$

素因数の和:18879

約数の個数: 32

約数和(自身を含む): 310201920

約数和(自身を除く): 171629982

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 137, 274, 411, 822, 1233, 2466, 3699, 7398, 18731, 37462, 56193, 112386, 168579, 337158, 505737, 1011474, 2566147, 5132294, 7698441, 15396882, 23095323, 46190646, 69285969, 138571938]

約数ペア:

[(1, 138571938), (2, 69285969), (3, 46190646), (6, 23095323), (9, 15396882), (18, 7698441), (27, 5132294), (54, 2566147), (137, 1011474), (274, 505737), (411, 337158), (822, 168579), (1233, 112386), (2466, 56193), (3699, 37462), (7398, 18731)]