19781166

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{173}}^1$

素因数の和:273

約数の個数: 64

約数和(自身を含む): 45100800

約数和(自身を除く): 25319634

約数列:

[1, 2, 3, 6, 17, 19, 34, 38, 51, 57, 59, 102, 114, 118, 173, 177, 323, 346, 354, 519, 646, 969, 1003, 1038, 1121, 1938, 2006, 2242, 2941, 3009, 3287, 3363, 5882, 6018, 6574, 6726, 8823, 9861, 10207, 17646, 19057, 19722, 20414, 30621, 38114, 55879, 57171, 61242, 111758, 114342, 167637, 173519, 193933, 335274, 347038, 387866, 520557, 581799, 1041114, 1163598, 3296861, 6593722, 9890583, 19781166]

約数ペア:

[(1, 19781166), (2, 9890583), (3, 6593722), (6, 3296861), (17, 1163598), (19, 1041114), (34, 581799), (38, 520557), (51, 387866), (57, 347038), (59, 335274), (102, 193933), (114, 173519), (118, 167637), (173, 114342), (177, 111758), (323, 61242), (346, 57171), (354, 55879), (519, 38114), (646, 30621), (969, 20414), (1003, 19722), (1038, 19057), (1121, 17646), (1938, 10207), (2006, 9861), (2242, 8823), (2941, 6726), (3009, 6574), (3287, 6018), (3363, 5882)]