19747616

素因数分解:

$2^5\times 7^1\times {\mathrm{23}}^1\times {\mathrm{3833}}^1$

素因数の和:3873

約数の個数: 48

約数和(自身を含む): 46376064

約数和(自身を除く): 26628448

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 92, 112, 161, 184, 224, 322, 368, 644, 736, 1288, 2576, 3833, 5152, 7666, 15332, 26831, 30664, 53662, 61328, 88159, 107324, 122656, 176318, 214648, 352636, 429296, 617113, 705272, 858592, 1234226, 1410544, 2468452, 2821088, 4936904, 9873808, 19747616]

約数ペア:

[(1, 19747616), (2, 9873808), (4, 4936904), (7, 2821088), (8, 2468452), (14, 1410544), (16, 1234226), (23, 858592), (28, 705272), (32, 617113), (46, 429296), (56, 352636), (92, 214648), (112, 176318), (161, 122656), (184, 107324), (224, 88159), (322, 61328), (368, 53662), (644, 30664), (736, 26831), (1288, 15332), (2576, 7666), (3833, 5152)]