18412480

素因数分解:

$2^6\times 5^1\times {\mathrm{163}}^1\times {\mathrm{353}}^1$

素因数の和:533

約数の個数: 56

約数和(自身を含む): 44238672

約数和(自身を除く): 25826192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 163, 320, 326, 353, 652, 706, 815, 1304, 1412, 1630, 1765, 2608, 2824, 3260, 3530, 5216, 5648, 6520, 7060, 10432, 11296, 13040, 14120, 22592, 26080, 28240, 52160, 56480, 57539, 112960, 115078, 230156, 287695, 460312, 575390, 920624, 1150780, 1841248, 2301560, 3682496, 4603120, 9206240, 18412480]

約数ペア:

[(1, 18412480), (2, 9206240), (4, 4603120), (5, 3682496), (8, 2301560), (10, 1841248), (16, 1150780), (20, 920624), (32, 575390), (40, 460312), (64, 287695), (80, 230156), (160, 115078), (163, 112960), (320, 57539), (326, 56480), (353, 52160), (652, 28240), (706, 26080), (815, 22592), (1304, 14120), (1412, 13040), (1630, 11296), (1765, 10432), (2608, 7060), (2824, 6520), (3260, 5648), (3530, 5216)]