18369920

素因数分解:

$2^7\times 5^1\times {\mathrm{28703}}^1$

素因数の和:28722

約数の個数: 32

約数和(自身を含む): 43917120

約数和(自身を除く): 25547200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 28703, 57406, 114812, 143515, 229624, 287030, 459248, 574060, 918496, 1148120, 1836992, 2296240, 3673984, 4592480, 9184960, 18369920]

約数ペア:

[(1, 18369920), (2, 9184960), (4, 4592480), (5, 3673984), (8, 2296240), (10, 1836992), (16, 1148120), (20, 918496), (32, 574060), (40, 459248), (64, 287030), (80, 229624), (128, 143515), (160, 114812), (320, 57406), (640, 28703)]