19393686

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1237}}^1$

素因数の和:1325

約数の個数: 48

約数和(自身を含む): 45964464

約数和(自身を除く): 26570778

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 67, 78, 117, 134, 201, 234, 402, 603, 871, 1206, 1237, 1742, 2474, 2613, 3711, 5226, 7422, 7839, 11133, 15678, 16081, 22266, 32162, 48243, 82879, 96486, 144729, 165758, 248637, 289458, 497274, 745911, 1077427, 1491822, 2154854, 3232281, 6464562, 9696843, 19393686]

約数ペア:

[(1, 19393686), (2, 9696843), (3, 6464562), (6, 3232281), (9, 2154854), (13, 1491822), (18, 1077427), (26, 745911), (39, 497274), (67, 289458), (78, 248637), (117, 165758), (134, 144729), (201, 96486), (234, 82879), (402, 48243), (603, 32162), (871, 22266), (1206, 16081), (1237, 15678), (1742, 11133), (2474, 7839), (2613, 7422), (3711, 5226)]