18320295

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1171}}^1$

素因数の和:1335

約数の個数: 32

約数和(自身を含む): 33753600

約数和(自身を除く): 15433305

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 149, 447, 745, 1043, 1171, 2235, 3129, 3513, 5215, 5855, 8197, 15645, 17565, 24591, 40985, 122955, 174479, 523437, 872395, 1221353, 2617185, 3664059, 6106765, 18320295]

約数ペア:

[(1, 18320295), (3, 6106765), (5, 3664059), (7, 2617185), (15, 1221353), (21, 872395), (35, 523437), (105, 174479), (149, 122955), (447, 40985), (745, 24591), (1043, 17565), (1171, 15645), (2235, 8197), (3129, 5855), (3513, 5215)]