18843349921

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{223}}^1\times {\mathrm{4003}}^1$

素因数の和:4357

約数の個数: 32

約数和(自身を含む): 21956014080

約数和(自身を除く): 3112664159

約数列:

[1, 11, 19, 101, 209, 223, 1111, 1919, 2453, 4003, 4237, 21109, 22523, 44033, 46607, 76057, 247753, 404303, 427937, 836627, 892669, 4447333, 4707307, 7681757, 9819359, 16960711, 84499327, 90159569, 186567821, 991755259, 1713031811, 18843349921]

約数ペア:

[(1, 18843349921), (11, 1713031811), (19, 991755259), (101, 186567821), (209, 90159569), (223, 84499327), (1111, 16960711), (1919, 9819359), (2453, 7681757), (4003, 4707307), (4237, 4447333), (21109, 892669), (22523, 836627), (44033, 427937), (46607, 404303), (76057, 247753)]