19848112

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1697}}^1$

素因数の和:1765

約数の個数: 40

約数和(自身を含む): 41689296

約数和(自身を除く): 21841184

約数列:

[1, 2, 4, 8, 16, 17, 34, 43, 68, 86, 136, 172, 272, 344, 688, 731, 1462, 1697, 2924, 3394, 5848, 6788, 11696, 13576, 27152, 28849, 57698, 72971, 115396, 145942, 230792, 291884, 461584, 583768, 1167536, 1240507, 2481014, 4962028, 9924056, 19848112]

約数ペア:

[(1, 19848112), (2, 9924056), (4, 4962028), (8, 2481014), (16, 1240507), (17, 1167536), (34, 583768), (43, 461584), (68, 291884), (86, 230792), (136, 145942), (172, 115396), (272, 72971), (344, 57698), (688, 28849), (731, 27152), (1462, 13576), (1697, 11696), (2924, 6788), (3394, 5848)]