18409936

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2633}}^1$

素因数の和:2683

約数の個数: 40

約数和(自身を含む): 39193920

約数和(自身を除く): 20783984

約数列:

[1, 2, 4, 8, 16, 19, 23, 38, 46, 76, 92, 152, 184, 304, 368, 437, 874, 1748, 2633, 3496, 5266, 6992, 10532, 21064, 42128, 50027, 60559, 100054, 121118, 200108, 242236, 400216, 484472, 800432, 968944, 1150621, 2301242, 4602484, 9204968, 18409936]

約数ペア:

[(1, 18409936), (2, 9204968), (4, 4602484), (8, 2301242), (16, 1150621), (19, 968944), (23, 800432), (38, 484472), (46, 400216), (76, 242236), (92, 200108), (152, 121118), (184, 100054), (304, 60559), (368, 50027), (437, 42128), (874, 21064), (1748, 10532), (2633, 6992), (3496, 5266)]