18795672

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{401}}^1$

素因数の和:454

約数の個数: 128

約数和(自身を含む): 61747200

約数和(自身を除く): 42951528

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 31, 36, 42, 54, 56, 62, 63, 72, 84, 93, 108, 124, 126, 168, 186, 189, 216, 217, 248, 252, 279, 372, 378, 401, 434, 504, 558, 651, 744, 756, 802, 837, 868, 1116, 1203, 1302, 1512, 1604, 1674, 1736, 1953, 2232, 2406, 2604, 2807, 3208, 3348, 3609, 3906, 4812, 5208, 5614, 5859, 6696, 7218, 7812, 8421, 9624, 10827, 11228, 11718, 12431, 14436, 15624, 16842, 21654, 22456, 23436, 24862, 25263, 28872, 33684, 37293, 43308, 46872, 49724, 50526, 67368, 74586, 75789, 86616, 87017, 99448, 101052, 111879, 149172, 151578, 174034, 202104, 223758, 261051, 298344, 303156, 335637, 348068, 447516, 522102, 606312, 671274, 696136, 783153, 895032, 1044204, 1342548, 1566306, 2088408, 2349459, 2685096, 3132612, 4698918, 6265224, 9397836, 18795672]

約数ペア:

[(1, 18795672), (2, 9397836), (3, 6265224), (4, 4698918), (6, 3132612), (7, 2685096), (8, 2349459), (9, 2088408), (12, 1566306), (14, 1342548), (18, 1044204), (21, 895032), (24, 783153), (27, 696136), (28, 671274), (31, 606312), (36, 522102), (42, 447516), (54, 348068), (56, 335637), (62, 303156), (63, 298344), (72, 261051), (84, 223758), (93, 202104), (108, 174034), (124, 151578), (126, 149172), (168, 111879), (186, 101052), (189, 99448), (216, 87017), (217, 86616), (248, 75789), (252, 74586), (279, 67368), (372, 50526), (378, 49724), (401, 46872), (434, 43308), (504, 37293), (558, 33684), (651, 28872), (744, 25263), (756, 24862), (802, 23436), (837, 22456), (868, 21654), (1116, 16842), (1203, 15624), (1302, 14436), (1512, 12431), (1604, 11718), (1674, 11228), (1736, 10827), (1953, 9624), (2232, 8421), (2406, 7812), (2604, 7218), (2807, 6696), (3208, 5859), (3348, 5614), (3609, 5208), (3906, 4812)]