18222820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{11833}}^1$

素因数の和:11860

約数の個数: 48

約数和(自身を含む): 47714688

約数和(自身を除く): 29491868

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 11833, 23666, 47332, 59165, 82831, 118330, 130163, 165662, 236660, 260326, 331324, 414155, 520652, 650815, 828310, 911141, 1301630, 1656620, 1822282, 2603260, 3644564, 4555705, 9111410, 18222820]

約数ペア:

[(1, 18222820), (2, 9111410), (4, 4555705), (5, 3644564), (7, 2603260), (10, 1822282), (11, 1656620), (14, 1301630), (20, 911141), (22, 828310), (28, 650815), (35, 520652), (44, 414155), (55, 331324), (70, 260326), (77, 236660), (110, 165662), (140, 130163), (154, 118330), (220, 82831), (308, 59165), (385, 47332), (770, 23666), (1540, 11833)]