18580408

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:201

約数の個数: 96

約数和(自身を含む): 45964800

約数和(自身を除く): 27384392

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 31, 44, 49, 56, 62, 77, 88, 98, 124, 139, 154, 196, 217, 248, 278, 308, 341, 392, 434, 539, 556, 616, 682, 868, 973, 1078, 1112, 1364, 1519, 1529, 1736, 1946, 2156, 2387, 2728, 3038, 3058, 3892, 4309, 4312, 4774, 6076, 6116, 6811, 7784, 8618, 9548, 10703, 12152, 12232, 13622, 16709, 17236, 19096, 21406, 27244, 30163, 33418, 34472, 42812, 47399, 54488, 60326, 66836, 74921, 85624, 94798, 120652, 133672, 149842, 189596, 211141, 241304, 299684, 331793, 379192, 422282, 599368, 663586, 844564, 1327172, 1689128, 2322551, 2654344, 4645102, 9290204, 18580408]

約数ペア:

[(1, 18580408), (2, 9290204), (4, 4645102), (7, 2654344), (8, 2322551), (11, 1689128), (14, 1327172), (22, 844564), (28, 663586), (31, 599368), (44, 422282), (49, 379192), (56, 331793), (62, 299684), (77, 241304), (88, 211141), (98, 189596), (124, 149842), (139, 133672), (154, 120652), (196, 94798), (217, 85624), (248, 74921), (278, 66836), (308, 60326), (341, 54488), (392, 47399), (434, 42812), (539, 34472), (556, 33418), (616, 30163), (682, 27244), (868, 21406), (973, 19096), (1078, 17236), (1112, 16709), (1364, 13622), (1519, 12232), (1529, 12152), (1736, 10703), (1946, 9548), (2156, 8618), (2387, 7784), (2728, 6811), (3038, 6116), (3058, 6076), (3892, 4774), (4309, 4312)]