19689376

素因数分解:

$2^5\times 7^2\times {\mathrm{29}}^1\times {\mathrm{433}}^1$

素因数の和:486

約数の個数: 72

約数和(自身を含む): 46754820

約数和(自身を除く): 27065444

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 49, 56, 58, 98, 112, 116, 196, 203, 224, 232, 392, 406, 433, 464, 784, 812, 866, 928, 1421, 1568, 1624, 1732, 2842, 3031, 3248, 3464, 5684, 6062, 6496, 6928, 11368, 12124, 12557, 13856, 21217, 22736, 24248, 25114, 42434, 45472, 48496, 50228, 84868, 87899, 96992, 100456, 169736, 175798, 200912, 339472, 351596, 401824, 615293, 678944, 703192, 1230586, 1406384, 2461172, 2812768, 4922344, 9844688, 19689376]

約数ペア:

[(1, 19689376), (2, 9844688), (4, 4922344), (7, 2812768), (8, 2461172), (14, 1406384), (16, 1230586), (28, 703192), (29, 678944), (32, 615293), (49, 401824), (56, 351596), (58, 339472), (98, 200912), (112, 175798), (116, 169736), (196, 100456), (203, 96992), (224, 87899), (232, 84868), (392, 50228), (406, 48496), (433, 45472), (464, 42434), (784, 25114), (812, 24248), (866, 22736), (928, 21217), (1421, 13856), (1568, 12557), (1624, 12124), (1732, 11368), (2842, 6928), (3031, 6496), (3248, 6062), (3464, 5684)]