19748430

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16879}}^1$

素因数の和:16905

約数の個数: 48

約数和(自身を含む): 55298880

約数和(自身を除く): 35550450

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 16879, 33758, 50637, 84395, 101274, 151911, 168790, 219427, 253185, 303822, 438854, 506370, 658281, 759555, 1097135, 1316562, 1519110, 1974843, 2194270, 3291405, 3949686, 6582810, 9874215, 19748430]

約数ペア:

[(1, 19748430), (2, 9874215), (3, 6582810), (5, 3949686), (6, 3291405), (9, 2194270), (10, 1974843), (13, 1519110), (15, 1316562), (18, 1097135), (26, 759555), (30, 658281), (39, 506370), (45, 438854), (65, 303822), (78, 253185), (90, 219427), (117, 168790), (130, 151911), (195, 101274), (234, 84395), (390, 50637), (585, 33758), (1170, 16879)]