19971336

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:235

約数の個数: 128

約数和(自身を含む): 63452160

約数和(自身を除く): 43480824

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 56, 66, 77, 84, 88, 101, 107, 132, 154, 168, 202, 214, 231, 264, 303, 308, 321, 404, 428, 462, 606, 616, 642, 707, 749, 808, 856, 924, 1111, 1177, 1212, 1284, 1414, 1498, 1848, 2121, 2222, 2247, 2354, 2424, 2568, 2828, 2996, 3333, 3531, 4242, 4444, 4494, 4708, 5656, 5992, 6666, 7062, 7777, 8239, 8484, 8888, 8988, 9416, 10807, 13332, 14124, 15554, 16478, 16968, 17976, 21614, 23331, 24717, 26664, 28248, 31108, 32421, 32956, 43228, 46662, 49434, 62216, 64842, 65912, 75649, 86456, 93324, 98868, 118877, 129684, 151298, 186648, 197736, 226947, 237754, 259368, 302596, 356631, 453894, 475508, 605192, 713262, 832139, 907788, 951016, 1426524, 1664278, 1815576, 2496417, 2853048, 3328556, 4992834, 6657112, 9985668, 19971336]

約数ペア:

[(1, 19971336), (2, 9985668), (3, 6657112), (4, 4992834), (6, 3328556), (7, 2853048), (8, 2496417), (11, 1815576), (12, 1664278), (14, 1426524), (21, 951016), (22, 907788), (24, 832139), (28, 713262), (33, 605192), (42, 475508), (44, 453894), (56, 356631), (66, 302596), (77, 259368), (84, 237754), (88, 226947), (101, 197736), (107, 186648), (132, 151298), (154, 129684), (168, 118877), (202, 98868), (214, 93324), (231, 86456), (264, 75649), (303, 65912), (308, 64842), (321, 62216), (404, 49434), (428, 46662), (462, 43228), (606, 32956), (616, 32421), (642, 31108), (707, 28248), (749, 26664), (808, 24717), (856, 23331), (924, 21614), (1111, 17976), (1177, 16968), (1212, 16478), (1284, 15554), (1414, 14124), (1498, 13332), (1848, 10807), (2121, 9416), (2222, 8988), (2247, 8888), (2354, 8484), (2424, 8239), (2568, 7777), (2828, 7062), (2996, 6666), (3333, 5992), (3531, 5656), (4242, 4708), (4444, 4494)]