19748898

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2281}}^1$

素因数の和:2339

約数の個数: 48

約数和(自身を含む): 47346936

約数和(自身を除く): 27598038

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 37, 39, 74, 78, 111, 117, 222, 234, 333, 481, 666, 962, 1443, 2281, 2886, 4329, 4562, 6843, 8658, 13686, 20529, 29653, 41058, 59306, 84397, 88959, 168794, 177918, 253191, 266877, 506382, 533754, 759573, 1097161, 1519146, 2194322, 3291483, 6582966, 9874449, 19748898]

約数ペア:

[(1, 19748898), (2, 9874449), (3, 6582966), (6, 3291483), (9, 2194322), (13, 1519146), (18, 1097161), (26, 759573), (37, 533754), (39, 506382), (74, 266877), (78, 253191), (111, 177918), (117, 168794), (222, 88959), (234, 84397), (333, 59306), (481, 41058), (666, 29653), (962, 20529), (1443, 13686), (2281, 8658), (2886, 6843), (4329, 4562)]