19729776

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:155

約数の個数: 120

約数和(自身を含む): 58051840

約数和(自身を除く): 38322064

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 43, 44, 48, 66, 79, 86, 88, 121, 129, 132, 158, 172, 176, 237, 242, 258, 264, 316, 344, 363, 473, 474, 484, 516, 528, 632, 688, 726, 869, 946, 948, 968, 1032, 1264, 1419, 1452, 1738, 1892, 1896, 1936, 2064, 2607, 2838, 2904, 3397, 3476, 3784, 3792, 5203, 5214, 5676, 5808, 6794, 6952, 7568, 9559, 10191, 10406, 10428, 11352, 13588, 13904, 15609, 19118, 20382, 20812, 20856, 22704, 27176, 28677, 31218, 37367, 38236, 40764, 41624, 41712, 54352, 57354, 62436, 74734, 76472, 81528, 83248, 112101, 114708, 124872, 149468, 152944, 163056, 224202, 229416, 249744, 298936, 411037, 448404, 458832, 597872, 822074, 896808, 1233111, 1644148, 1793616, 2466222, 3288296, 4932444, 6576592, 9864888, 19729776]

約数ペア:

[(1, 19729776), (2, 9864888), (3, 6576592), (4, 4932444), (6, 3288296), (8, 2466222), (11, 1793616), (12, 1644148), (16, 1233111), (22, 896808), (24, 822074), (33, 597872), (43, 458832), (44, 448404), (48, 411037), (66, 298936), (79, 249744), (86, 229416), (88, 224202), (121, 163056), (129, 152944), (132, 149468), (158, 124872), (172, 114708), (176, 112101), (237, 83248), (242, 81528), (258, 76472), (264, 74734), (316, 62436), (344, 57354), (363, 54352), (473, 41712), (474, 41624), (484, 40764), (516, 38236), (528, 37367), (632, 31218), (688, 28677), (726, 27176), (869, 22704), (946, 20856), (948, 20812), (968, 20382), (1032, 19118), (1264, 15609), (1419, 13904), (1452, 13588), (1738, 11352), (1892, 10428), (1896, 10406), (1936, 10191), (2064, 9559), (2607, 7568), (2838, 6952), (2904, 6794), (3397, 5808), (3476, 5676), (3784, 5214), (3792, 5203)]