18748576

素因数分解:

$2^5\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1087}}^1$

素因数の和:1122

約数の個数: 72

約数和(自身を含む): 46884096

約数和(自身を除く): 28135520

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 49, 56, 77, 88, 98, 112, 154, 176, 196, 224, 308, 352, 392, 539, 616, 784, 1078, 1087, 1232, 1568, 2156, 2174, 2464, 4312, 4348, 7609, 8624, 8696, 11957, 15218, 17248, 17392, 23914, 30436, 34784, 47828, 53263, 60872, 83699, 95656, 106526, 121744, 167398, 191312, 213052, 243488, 334796, 382624, 426104, 585893, 669592, 852208, 1171786, 1339184, 1704416, 2343572, 2678368, 4687144, 9374288, 18748576]

約数ペア:

[(1, 18748576), (2, 9374288), (4, 4687144), (7, 2678368), (8, 2343572), (11, 1704416), (14, 1339184), (16, 1171786), (22, 852208), (28, 669592), (32, 585893), (44, 426104), (49, 382624), (56, 334796), (77, 243488), (88, 213052), (98, 191312), (112, 167398), (154, 121744), (176, 106526), (196, 95656), (224, 83699), (308, 60872), (352, 53263), (392, 47828), (539, 34784), (616, 30436), (784, 23914), (1078, 17392), (1087, 17248), (1232, 15218), (1568, 11957), (2156, 8696), (2174, 8624), (2464, 7609), (4312, 4348)]