16781864

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{10037}}^1$

素因数の和:10073

約数の個数: 32

約数和(自身を含む): 36136800

約数和(自身を除く): 19354936

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 418, 836, 1672, 10037, 20074, 40148, 80296, 110407, 190703, 220814, 381406, 441628, 762812, 883256, 1525624, 2097733, 4195466, 8390932, 16781864]

約数ペア:

[(1, 16781864), (2, 8390932), (4, 4195466), (8, 2097733), (11, 1525624), (19, 883256), (22, 762812), (38, 441628), (44, 381406), (76, 220814), (88, 190703), (152, 110407), (209, 80296), (418, 40148), (836, 20074), (1672, 10037)]