18603440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{13679}}^1$

素因数の和:13709

約数の個数: 40

約数和(自身を含む): 45800640

約数和(自身を除く): 27197200

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 13679, 27358, 54716, 68395, 109432, 136790, 218864, 232543, 273580, 465086, 547160, 930172, 1094320, 1162715, 1860344, 2325430, 3720688, 4650860, 9301720, 18603440]

約数ペア:

[(1, 18603440), (2, 9301720), (4, 4650860), (5, 3720688), (8, 2325430), (10, 1860344), (16, 1162715), (17, 1094320), (20, 930172), (34, 547160), (40, 465086), (68, 273580), (80, 232543), (85, 218864), (136, 136790), (170, 109432), (272, 68395), (340, 54716), (680, 27358), (1360, 13679)]