18891928

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{11299}}^1$

素因数の和:11335

約数の個数: 32

約数和(自身を含む): 40680000

約数和(自身を除く): 21788072

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 418, 836, 1672, 11299, 22598, 45196, 90392, 124289, 214681, 248578, 429362, 497156, 858724, 994312, 1717448, 2361491, 4722982, 9445964, 18891928]

約数ペア:

[(1, 18891928), (2, 9445964), (4, 4722982), (8, 2361491), (11, 1717448), (19, 994312), (22, 858724), (38, 497156), (44, 429362), (76, 248578), (88, 214681), (152, 124289), (209, 90392), (418, 45196), (836, 22598), (1672, 11299)]