18887254

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{1619}}^1$

素因数の和:1947

約数の個数: 16

約数和(自身を含む): 29937600

約数和(自身を除く): 11050346

約数列:

[1, 2, 19, 38, 307, 614, 1619, 3238, 5833, 11666, 30761, 61522, 497033, 994066, 9443627, 18887254]

約数ペア:

[(1, 18887254), (2, 9443627), (19, 994066), (38, 497033), (307, 61522), (614, 30761), (1619, 11666), (3238, 5833)]