18722748

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:187

約数の個数: 96

約数和(自身を含む): 50722560

約数和(自身を除く): 31999812

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 29, 33, 44, 58, 66, 67, 73, 87, 116, 132, 134, 146, 174, 201, 219, 268, 292, 319, 348, 402, 438, 638, 737, 803, 804, 876, 957, 1276, 1474, 1606, 1914, 1943, 2117, 2211, 2409, 2948, 3212, 3828, 3886, 4234, 4422, 4818, 4891, 5829, 6351, 7772, 8468, 8844, 9636, 9782, 11658, 12702, 14673, 19564, 21373, 23287, 23316, 25404, 29346, 42746, 46574, 53801, 58692, 64119, 69861, 85492, 93148, 107602, 128238, 139722, 141839, 161403, 215204, 256476, 279444, 283678, 322806, 425517, 567356, 645612, 851034, 1560229, 1702068, 3120458, 4680687, 6240916, 9361374, 18722748]

約数ペア:

[(1, 18722748), (2, 9361374), (3, 6240916), (4, 4680687), (6, 3120458), (11, 1702068), (12, 1560229), (22, 851034), (29, 645612), (33, 567356), (44, 425517), (58, 322806), (66, 283678), (67, 279444), (73, 256476), (87, 215204), (116, 161403), (132, 141839), (134, 139722), (146, 128238), (174, 107602), (201, 93148), (219, 85492), (268, 69861), (292, 64119), (319, 58692), (348, 53801), (402, 46574), (438, 42746), (638, 29346), (737, 25404), (803, 23316), (804, 23287), (876, 21373), (957, 19564), (1276, 14673), (1474, 12702), (1606, 11658), (1914, 9782), (1943, 9636), (2117, 8844), (2211, 8468), (2409, 7772), (2948, 6351), (3212, 5829), (3828, 4891), (3886, 4818), (4234, 4422)]