18720264

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^2\times {\mathrm{2699}}^1$

素因数の和:2742

約数の個数: 48

約数和(自身を含む): 49734000

約数和(自身を除く): 31013736

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 204, 289, 408, 578, 867, 1156, 1734, 2312, 2699, 3468, 5398, 6936, 8097, 10796, 16194, 21592, 32388, 45883, 64776, 91766, 137649, 183532, 275298, 367064, 550596, 780011, 1101192, 1560022, 2340033, 3120044, 4680066, 6240088, 9360132, 18720264]

約数ペア:

[(1, 18720264), (2, 9360132), (3, 6240088), (4, 4680066), (6, 3120044), (8, 2340033), (12, 1560022), (17, 1101192), (24, 780011), (34, 550596), (51, 367064), (68, 275298), (102, 183532), (136, 137649), (204, 91766), (289, 64776), (408, 45883), (578, 32388), (867, 21592), (1156, 16194), (1734, 10796), (2312, 8097), (2699, 6936), (3468, 5398)]