18201088

素因数分解:

$2^9\times {\mathrm{19}}^1\times {\mathrm{1871}}^1$

素因数の和:1908

約数の個数: 40

約数和(自身を含む): 38301120

約数和(自身を除く): 20100032

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 512, 608, 1216, 1871, 2432, 3742, 4864, 7484, 9728, 14968, 29936, 35549, 59872, 71098, 119744, 142196, 239488, 284392, 478976, 568784, 957952, 1137568, 2275136, 4550272, 9100544, 18201088]

約数ペア:

[(1, 18201088), (2, 9100544), (4, 4550272), (8, 2275136), (16, 1137568), (19, 957952), (32, 568784), (38, 478976), (64, 284392), (76, 239488), (128, 142196), (152, 119744), (256, 71098), (304, 59872), (512, 35549), (608, 29936), (1216, 14968), (1871, 9728), (2432, 7484), (3742, 4864)]