18880620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{28607}}^1$

素因数の和:28630

約数の個数: 48

約数和(自身を含む): 57673728

約数和(自身を除く): 38793108

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 28607, 57214, 85821, 114428, 143035, 171642, 286070, 314677, 343284, 429105, 572140, 629354, 858210, 944031, 1258708, 1573385, 1716420, 1888062, 3146770, 3776124, 4720155, 6293540, 9440310, 18880620]

約数ペア:

[(1, 18880620), (2, 9440310), (3, 6293540), (4, 4720155), (5, 3776124), (6, 3146770), (10, 1888062), (11, 1716420), (12, 1573385), (15, 1258708), (20, 944031), (22, 858210), (30, 629354), (33, 572140), (44, 429105), (55, 343284), (60, 314677), (66, 286070), (110, 171642), (132, 143035), (165, 114428), (220, 85821), (330, 57214), (660, 28607)]