18957708

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{977}}^1$

素因数の和:1012

約数の個数: 108

約数和(自身を含む): 60874632

約数和(自身を除く): 41916924

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 42, 44, 49, 63, 66, 77, 84, 98, 99, 126, 132, 147, 154, 196, 198, 231, 252, 294, 308, 396, 441, 462, 539, 588, 693, 882, 924, 977, 1078, 1386, 1617, 1764, 1954, 2156, 2772, 2931, 3234, 3908, 4851, 5862, 6468, 6839, 8793, 9702, 10747, 11724, 13678, 17586, 19404, 20517, 21494, 27356, 32241, 35172, 41034, 42988, 47873, 61551, 64482, 75229, 82068, 95746, 96723, 123102, 128964, 143619, 150458, 191492, 193446, 225687, 246204, 287238, 300916, 386892, 430857, 451374, 526603, 574476, 677061, 861714, 902748, 1053206, 1354122, 1579809, 1723428, 2106412, 2708244, 3159618, 4739427, 6319236, 9478854, 18957708]

約数ペア:

[(1, 18957708), (2, 9478854), (3, 6319236), (4, 4739427), (6, 3159618), (7, 2708244), (9, 2106412), (11, 1723428), (12, 1579809), (14, 1354122), (18, 1053206), (21, 902748), (22, 861714), (28, 677061), (33, 574476), (36, 526603), (42, 451374), (44, 430857), (49, 386892), (63, 300916), (66, 287238), (77, 246204), (84, 225687), (98, 193446), (99, 191492), (126, 150458), (132, 143619), (147, 128964), (154, 123102), (196, 96723), (198, 95746), (231, 82068), (252, 75229), (294, 64482), (308, 61551), (396, 47873), (441, 42988), (462, 41034), (539, 35172), (588, 32241), (693, 27356), (882, 21494), (924, 20517), (977, 19404), (1078, 17586), (1386, 13678), (1617, 11724), (1764, 10747), (1954, 9702), (2156, 8793), (2772, 6839), (2931, 6468), (3234, 5862), (3908, 4851)]