19657308

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{1087}}^1$

素因数の和:1242

約数の個数: 48

約数和(自身を含む): 50448384

約数和(自身を除く): 30791076

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 137, 274, 411, 548, 822, 1087, 1507, 1644, 2174, 3014, 3261, 4348, 4521, 6028, 6522, 9042, 11957, 13044, 18084, 23914, 35871, 47828, 71742, 143484, 148919, 297838, 446757, 595676, 893514, 1638109, 1787028, 3276218, 4914327, 6552436, 9828654, 19657308]

約数ペア:

[(1, 19657308), (2, 9828654), (3, 6552436), (4, 4914327), (6, 3276218), (11, 1787028), (12, 1638109), (22, 893514), (33, 595676), (44, 446757), (66, 297838), (132, 148919), (137, 143484), (274, 71742), (411, 47828), (548, 35871), (822, 23914), (1087, 18084), (1507, 13044), (1644, 11957), (2174, 9042), (3014, 6522), (3261, 6028), (4348, 4521)]