19311942

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1$

素因数の和:277

約数の個数: 64

約数和(自身を含む): 44593920

約数和(自身を除く): 25281978

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 78, 83, 114, 157, 166, 247, 249, 314, 471, 494, 498, 741, 942, 1079, 1482, 1577, 2041, 2158, 2983, 3154, 3237, 4082, 4731, 5966, 6123, 6474, 8949, 9462, 12246, 13031, 17898, 20501, 26062, 38779, 39093, 41002, 61503, 77558, 78186, 116337, 123006, 169403, 232674, 247589, 338806, 495178, 508209, 742767, 1016418, 1485534, 3218657, 6437314, 9655971, 19311942]

約数ペア:

[(1, 19311942), (2, 9655971), (3, 6437314), (6, 3218657), (13, 1485534), (19, 1016418), (26, 742767), (38, 508209), (39, 495178), (57, 338806), (78, 247589), (83, 232674), (114, 169403), (157, 123006), (166, 116337), (247, 78186), (249, 77558), (314, 61503), (471, 41002), (494, 39093), (498, 38779), (741, 26062), (942, 20501), (1079, 17898), (1482, 13031), (1577, 12246), (2041, 9462), (2158, 8949), (2983, 6474), (3154, 6123), (3237, 5966), (4082, 4731)]