18704952

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:250

約数の個数: 128

約数和(自身を含む): 60480000

約数和(自身を除く): 41775048

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 89, 108, 126, 139, 168, 178, 189, 216, 252, 267, 278, 356, 378, 417, 504, 534, 556, 623, 712, 756, 801, 834, 973, 1068, 1112, 1246, 1251, 1512, 1602, 1668, 1869, 1946, 2136, 2403, 2492, 2502, 2919, 3204, 3336, 3738, 3753, 3892, 4806, 4984, 5004, 5607, 5838, 6408, 7476, 7506, 7784, 8757, 9612, 10008, 11214, 11676, 12371, 14952, 15012, 16821, 17514, 19224, 22428, 23352, 24742, 26271, 30024, 33642, 35028, 37113, 44856, 49484, 52542, 67284, 70056, 74226, 86597, 98968, 105084, 111339, 134568, 148452, 173194, 210168, 222678, 259791, 296904, 334017, 346388, 445356, 519582, 668034, 692776, 779373, 890712, 1039164, 1336068, 1558746, 2078328, 2338119, 2672136, 3117492, 4676238, 6234984, 9352476, 18704952]

約数ペア:

[(1, 18704952), (2, 9352476), (3, 6234984), (4, 4676238), (6, 3117492), (7, 2672136), (8, 2338119), (9, 2078328), (12, 1558746), (14, 1336068), (18, 1039164), (21, 890712), (24, 779373), (27, 692776), (28, 668034), (36, 519582), (42, 445356), (54, 346388), (56, 334017), (63, 296904), (72, 259791), (84, 222678), (89, 210168), (108, 173194), (126, 148452), (139, 134568), (168, 111339), (178, 105084), (189, 98968), (216, 86597), (252, 74226), (267, 70056), (278, 67284), (356, 52542), (378, 49484), (417, 44856), (504, 37113), (534, 35028), (556, 33642), (623, 30024), (712, 26271), (756, 24742), (801, 23352), (834, 22428), (973, 19224), (1068, 17514), (1112, 16821), (1246, 15012), (1251, 14952), (1512, 12371), (1602, 11676), (1668, 11214), (1869, 10008), (1946, 9612), (2136, 8757), (2403, 7784), (2492, 7506), (2502, 7476), (2919, 6408), (3204, 5838), (3336, 5607), (3738, 5004), (3753, 4984), (3892, 4806)]