19913178

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{4721}}^1$

素因数の和:4782

約数の個数: 32

約数和(自身を含む): 43064640

約数和(自身を除く): 23151462

約数列:

[1, 2, 3, 6, 19, 37, 38, 57, 74, 111, 114, 222, 703, 1406, 2109, 4218, 4721, 9442, 14163, 28326, 89699, 174677, 179398, 269097, 349354, 524031, 538194, 1048062, 3318863, 6637726, 9956589, 19913178]

約数ペア:

[(1, 19913178), (2, 9956589), (3, 6637726), (6, 3318863), (19, 1048062), (37, 538194), (38, 524031), (57, 349354), (74, 269097), (111, 179398), (114, 174677), (222, 89699), (703, 28326), (1406, 14163), (2109, 9442), (4218, 4721)]