19520072

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{151}}^1$

素因数の和:294

約数の個数: 64

約数和(自身を含む): 43666560

約数和(自身を除く): 24146488

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 113, 143, 151, 226, 286, 302, 452, 572, 604, 904, 1144, 1208, 1243, 1469, 1661, 1963, 2486, 2938, 3322, 3926, 4972, 5876, 6644, 7852, 9944, 11752, 13288, 15704, 16159, 17063, 21593, 32318, 34126, 43186, 64636, 68252, 86372, 129272, 136504, 172744, 187693, 221819, 375386, 443638, 750772, 887276, 1501544, 1774552, 2440009, 4880018, 9760036, 19520072]

約数ペア:

[(1, 19520072), (2, 9760036), (4, 4880018), (8, 2440009), (11, 1774552), (13, 1501544), (22, 887276), (26, 750772), (44, 443638), (52, 375386), (88, 221819), (104, 187693), (113, 172744), (143, 136504), (151, 129272), (226, 86372), (286, 68252), (302, 64636), (452, 43186), (572, 34126), (604, 32318), (904, 21593), (1144, 17063), (1208, 16159), (1243, 15704), (1469, 13288), (1661, 11752), (1963, 9944), (2486, 7852), (2938, 6644), (3322, 5876), (3926, 4972)]