19742448

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{269}}^1$

素因数の和:430

約数の個数: 80

約数和(自身を含む): 56246400

約数和(自身を除く): 36503952

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 132, 139, 176, 264, 269, 278, 417, 528, 538, 556, 807, 834, 1076, 1112, 1529, 1614, 1668, 2152, 2224, 2959, 3058, 3228, 3336, 4304, 4587, 5918, 6116, 6456, 6672, 8877, 9174, 11836, 12232, 12912, 17754, 18348, 23672, 24464, 35508, 36696, 37391, 47344, 71016, 73392, 74782, 112173, 142032, 149564, 224346, 299128, 411301, 448692, 598256, 822602, 897384, 1233903, 1645204, 1794768, 2467806, 3290408, 4935612, 6580816, 9871224, 19742448]

約数ペア:

[(1, 19742448), (2, 9871224), (3, 6580816), (4, 4935612), (6, 3290408), (8, 2467806), (11, 1794768), (12, 1645204), (16, 1233903), (22, 897384), (24, 822602), (33, 598256), (44, 448692), (48, 411301), (66, 299128), (88, 224346), (132, 149564), (139, 142032), (176, 112173), (264, 74782), (269, 73392), (278, 71016), (417, 47344), (528, 37391), (538, 36696), (556, 35508), (807, 24464), (834, 23672), (1076, 18348), (1112, 17754), (1529, 12912), (1614, 12232), (1668, 11836), (2152, 9174), (2224, 8877), (2959, 6672), (3058, 6456), (3228, 6116), (3336, 5918), (4304, 4587)]