18417200

素因数分解:

$2^4\times 5^2\times {\mathrm{41}}^1\times {\mathrm{1123}}^1$

素因数の和:1182

約数の個数: 60

約数和(自身を含む): 45366888

約数和(自身を除く): 26949688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 41, 50, 80, 82, 100, 164, 200, 205, 328, 400, 410, 656, 820, 1025, 1123, 1640, 2050, 2246, 3280, 4100, 4492, 5615, 8200, 8984, 11230, 16400, 17968, 22460, 28075, 44920, 46043, 56150, 89840, 92086, 112300, 184172, 224600, 230215, 368344, 449200, 460430, 736688, 920860, 1151075, 1841720, 2302150, 3683440, 4604300, 9208600, 18417200]

約数ペア:

[(1, 18417200), (2, 9208600), (4, 4604300), (5, 3683440), (8, 2302150), (10, 1841720), (16, 1151075), (20, 920860), (25, 736688), (40, 460430), (41, 449200), (50, 368344), (80, 230215), (82, 224600), (100, 184172), (164, 112300), (200, 92086), (205, 89840), (328, 56150), (400, 46043), (410, 44920), (656, 28075), (820, 22460), (1025, 17968), (1123, 16400), (1640, 11230), (2050, 8984), (2246, 8200), (3280, 5615), (4100, 4492)]