18191784

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{293}}^1$

素因数の和:514

約数の個数: 64

約数和(自身を含む): 49392000

約数和(自身を除く): 31200216

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 199, 293, 312, 398, 586, 597, 796, 879, 1172, 1194, 1592, 1758, 2344, 2388, 2587, 3516, 3809, 4776, 5174, 7032, 7618, 7761, 10348, 11427, 15236, 15522, 20696, 22854, 30472, 31044, 45708, 58307, 62088, 91416, 116614, 174921, 233228, 349842, 466456, 699684, 757991, 1399368, 1515982, 2273973, 3031964, 4547946, 6063928, 9095892, 18191784]

約数ペア:

[(1, 18191784), (2, 9095892), (3, 6063928), (4, 4547946), (6, 3031964), (8, 2273973), (12, 1515982), (13, 1399368), (24, 757991), (26, 699684), (39, 466456), (52, 349842), (78, 233228), (104, 174921), (156, 116614), (199, 91416), (293, 62088), (312, 58307), (398, 45708), (586, 31044), (597, 30472), (796, 22854), (879, 20696), (1172, 15522), (1194, 15236), (1592, 11427), (1758, 10348), (2344, 7761), (2388, 7618), (2587, 7032), (3516, 5174), (3809, 4776)]