19880224

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6827}}^1$

素因数の和:6857

約数の個数: 48

約数和(自身を含む): 48178368

約数和(自身を除く): 28298144

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, 6827, 13654, 27308, 47789, 54616, 88751, 95578, 109232, 177502, 191156, 218464, 355004, 382312, 621257, 710008, 764624, 1242514, 1420016, 1529248, 2485028, 2840032, 4970056, 9940112, 19880224]

約数ペア:

[(1, 19880224), (2, 9940112), (4, 4970056), (7, 2840032), (8, 2485028), (13, 1529248), (14, 1420016), (16, 1242514), (26, 764624), (28, 710008), (32, 621257), (52, 382312), (56, 355004), (91, 218464), (104, 191156), (112, 177502), (182, 109232), (208, 95578), (224, 88751), (364, 54616), (416, 47789), (728, 27308), (1456, 13654), (2912, 6827)]