18626288

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^2$

素因数の和:150

約数の個数: 60

約数和(自身を含む): 40300992

約数和(自身を除く): 21674704

約数列:

[1, 2, 4, 8, 16, 17, 31, 34, 47, 62, 68, 94, 124, 136, 188, 248, 272, 376, 496, 527, 752, 799, 1054, 1457, 1598, 2108, 2209, 2914, 3196, 4216, 4418, 5828, 6392, 8432, 8836, 11656, 12784, 17672, 23312, 24769, 35344, 37553, 49538, 68479, 75106, 99076, 136958, 150212, 198152, 273916, 300424, 396304, 547832, 600848, 1095664, 1164143, 2328286, 4656572, 9313144, 18626288]

約数ペア:

[(1, 18626288), (2, 9313144), (4, 4656572), (8, 2328286), (16, 1164143), (17, 1095664), (31, 600848), (34, 547832), (47, 396304), (62, 300424), (68, 273916), (94, 198152), (124, 150212), (136, 136958), (188, 99076), (248, 75106), (272, 68479), (376, 49538), (496, 37553), (527, 35344), (752, 24769), (799, 23312), (1054, 17672), (1457, 12784), (1598, 11656), (2108, 8836), (2209, 8432), (2914, 6392), (3196, 5828), (4216, 4418)]