18857772

素因数分解:

$2^2\times 3^6\times {\mathrm{29}}^1\times {\mathrm{223}}^1$

素因数の和:274

約数の個数: 84

約数和(自身を含む): 51414720

約数和(自身を除く): 32556948

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 29, 36, 54, 58, 81, 87, 108, 116, 162, 174, 223, 243, 261, 324, 348, 446, 486, 522, 669, 729, 783, 892, 972, 1044, 1338, 1458, 1566, 2007, 2349, 2676, 2916, 3132, 4014, 4698, 6021, 6467, 7047, 8028, 9396, 12042, 12934, 14094, 18063, 19401, 21141, 24084, 25868, 28188, 36126, 38802, 42282, 54189, 58203, 72252, 77604, 84564, 108378, 116406, 162567, 174609, 216756, 232812, 325134, 349218, 523827, 650268, 698436, 1047654, 1571481, 2095308, 3142962, 4714443, 6285924, 9428886, 18857772]

約数ペア:

[(1, 18857772), (2, 9428886), (3, 6285924), (4, 4714443), (6, 3142962), (9, 2095308), (12, 1571481), (18, 1047654), (27, 698436), (29, 650268), (36, 523827), (54, 349218), (58, 325134), (81, 232812), (87, 216756), (108, 174609), (116, 162567), (162, 116406), (174, 108378), (223, 84564), (243, 77604), (261, 72252), (324, 58203), (348, 54189), (446, 42282), (486, 38802), (522, 36126), (669, 28188), (729, 25868), (783, 24084), (892, 21141), (972, 19401), (1044, 18063), (1338, 14094), (1458, 12934), (1566, 12042), (2007, 9396), (2349, 8028), (2676, 7047), (2916, 6467), (3132, 6021), (4014, 4698)]