19740448

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6779}}^1$

素因数の和:6809

約数の個数: 48

約数和(自身を含む): 47839680

約数和(自身を除く): 28099232

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 182, 208, 224, 364, 416, 728, 1456, 2912, 6779, 13558, 27116, 47453, 54232, 88127, 94906, 108464, 176254, 189812, 216928, 352508, 379624, 616889, 705016, 759248, 1233778, 1410032, 1518496, 2467556, 2820064, 4935112, 9870224, 19740448]

約数ペア:

[(1, 19740448), (2, 9870224), (4, 4935112), (7, 2820064), (8, 2467556), (13, 1518496), (14, 1410032), (16, 1233778), (26, 759248), (28, 705016), (32, 616889), (52, 379624), (56, 352508), (91, 216928), (104, 189812), (112, 176254), (182, 108464), (208, 94906), (224, 88127), (364, 54232), (416, 47453), (728, 27116), (1456, 13558), (2912, 6779)]