19779318

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{467}}^1$

素因数の和:669

約数の個数: 48

約数和(自身を含む): 46506096

約数和(自身を除く): 26726778

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 181, 234, 362, 467, 543, 934, 1086, 1401, 1629, 2353, 2802, 3258, 4203, 4706, 6071, 7059, 8406, 12142, 14118, 18213, 21177, 36426, 42354, 54639, 84527, 109278, 169054, 253581, 507162, 760743, 1098851, 1521486, 2197702, 3296553, 6593106, 9889659, 19779318]

約数ペア:

[(1, 19779318), (2, 9889659), (3, 6593106), (6, 3296553), (9, 2197702), (13, 1521486), (18, 1098851), (26, 760743), (39, 507162), (78, 253581), (117, 169054), (181, 109278), (234, 84527), (362, 54639), (467, 42354), (543, 36426), (934, 21177), (1086, 18213), (1401, 14118), (1629, 12142), (2353, 8406), (2802, 7059), (3258, 6071), (4203, 4706)]