18516944

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3583}}^1$

素因数の和:3627

約数の個数: 40

約数和(自身を含む): 39997440

約数和(自身を除く): 21480496

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 68, 76, 136, 152, 272, 304, 323, 646, 1292, 2584, 3583, 5168, 7166, 14332, 28664, 57328, 60911, 68077, 121822, 136154, 243644, 272308, 487288, 544616, 974576, 1089232, 1157309, 2314618, 4629236, 9258472, 18516944]

約数ペア:

[(1, 18516944), (2, 9258472), (4, 4629236), (8, 2314618), (16, 1157309), (17, 1089232), (19, 974576), (34, 544616), (38, 487288), (68, 272308), (76, 243644), (136, 136154), (152, 121822), (272, 68077), (304, 60911), (323, 57328), (646, 28664), (1292, 14332), (2584, 7166), (3583, 5168)]