18843952

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{229}}^1$

素因数の和:413

約数の個数: 40

約数和(自身を含む): 37931600

約数和(自身を除く): 19087648

約数列:

[1, 2, 4, 8, 16, 37, 74, 139, 148, 229, 278, 296, 458, 556, 592, 916, 1112, 1832, 2224, 3664, 5143, 8473, 10286, 16946, 20572, 31831, 33892, 41144, 63662, 67784, 82288, 127324, 135568, 254648, 509296, 1177747, 2355494, 4710988, 9421976, 18843952]

約数ペア:

[(1, 18843952), (2, 9421976), (4, 4710988), (8, 2355494), (16, 1177747), (37, 509296), (74, 254648), (139, 135568), (148, 127324), (229, 82288), (278, 67784), (296, 63662), (458, 41144), (556, 33892), (592, 31831), (916, 20572), (1112, 16946), (1832, 10286), (2224, 8473), (3664, 5143)]