19738026

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:177

約数の個数: 128

約数和(自身を含む): 56401920

約数和(自身を除く): 36663894

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 27, 33, 42, 47, 54, 63, 66, 77, 94, 99, 101, 126, 141, 154, 189, 198, 202, 231, 282, 297, 303, 329, 378, 423, 462, 517, 594, 606, 658, 693, 707, 846, 909, 987, 1034, 1111, 1269, 1386, 1414, 1551, 1818, 1974, 2079, 2121, 2222, 2538, 2727, 2961, 3102, 3333, 3619, 4158, 4242, 4653, 4747, 5454, 5922, 6363, 6666, 7238, 7777, 8883, 9306, 9494, 9999, 10857, 12726, 13959, 14241, 15554, 17766, 19089, 19998, 21714, 23331, 27918, 28482, 29997, 32571, 33229, 38178, 42723, 46662, 52217, 59994, 65142, 66458, 69993, 85446, 97713, 99687, 104434, 128169, 139986, 156651, 195426, 199374, 209979, 256338, 299061, 313302, 365519, 419958, 469953, 598122, 731038, 897183, 939906, 1096557, 1409859, 1794366, 2193114, 2819718, 3289671, 6579342, 9869013, 19738026]

約数ペア:

[(1, 19738026), (2, 9869013), (3, 6579342), (6, 3289671), (7, 2819718), (9, 2193114), (11, 1794366), (14, 1409859), (18, 1096557), (21, 939906), (22, 897183), (27, 731038), (33, 598122), (42, 469953), (47, 419958), (54, 365519), (63, 313302), (66, 299061), (77, 256338), (94, 209979), (99, 199374), (101, 195426), (126, 156651), (141, 139986), (154, 128169), (189, 104434), (198, 99687), (202, 97713), (231, 85446), (282, 69993), (297, 66458), (303, 65142), (329, 59994), (378, 52217), (423, 46662), (462, 42723), (517, 38178), (594, 33229), (606, 32571), (658, 29997), (693, 28482), (707, 27918), (846, 23331), (909, 21714), (987, 19998), (1034, 19089), (1111, 17766), (1269, 15554), (1386, 14241), (1414, 13959), (1551, 12726), (1818, 10857), (1974, 9999), (2079, 9494), (2121, 9306), (2222, 8883), (2538, 7777), (2727, 7238), (2961, 6666), (3102, 6363), (3333, 5922), (3619, 5454), (4158, 4747), (4242, 4653)]