18956288

素因数分解:

$2^{14}\times {\mathrm{13}}^1\times {\mathrm{89}}^1$

素因数の和:130

約数の個数: 60

約数和(自身を含む): 41286420

約数和(自身を除く): 22330132

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 89, 104, 128, 178, 208, 256, 356, 416, 512, 712, 832, 1024, 1157, 1424, 1664, 2048, 2314, 2848, 3328, 4096, 4628, 5696, 6656, 8192, 9256, 11392, 13312, 16384, 18512, 22784, 26624, 37024, 45568, 53248, 74048, 91136, 106496, 148096, 182272, 212992, 296192, 364544, 592384, 729088, 1184768, 1458176, 2369536, 4739072, 9478144, 18956288]

約数ペア:

[(1, 18956288), (2, 9478144), (4, 4739072), (8, 2369536), (13, 1458176), (16, 1184768), (26, 729088), (32, 592384), (52, 364544), (64, 296192), (89, 212992), (104, 182272), (128, 148096), (178, 106496), (208, 91136), (256, 74048), (356, 53248), (416, 45568), (512, 37024), (712, 26624), (832, 22784), (1024, 18512), (1157, 16384), (1424, 13312), (1664, 11392), (2048, 9256), (2314, 8192), (2848, 6656), (3328, 5696), (4096, 4628)]