19932748

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{211}}^1$

素因数の和:358

約数の個数: 48

約数和(自身を含む): 40602240

約数和(自身を除く): 20669492

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 113, 209, 211, 226, 418, 422, 452, 836, 844, 1243, 2147, 2321, 2486, 4009, 4294, 4642, 4972, 8018, 8588, 9284, 16036, 23617, 23843, 44099, 47234, 47686, 88198, 94468, 95372, 176396, 262273, 453017, 524546, 906034, 1049092, 1812068, 4983187, 9966374, 19932748]

約数ペア:

[(1, 19932748), (2, 9966374), (4, 4983187), (11, 1812068), (19, 1049092), (22, 906034), (38, 524546), (44, 453017), (76, 262273), (113, 176396), (209, 95372), (211, 94468), (226, 88198), (418, 47686), (422, 47234), (452, 44099), (836, 23843), (844, 23617), (1243, 16036), (2147, 9284), (2321, 8588), (2486, 8018), (4009, 4972), (4294, 4642)]