19104880

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12569}}^1$

素因数の和:12601

約数の個数: 40

約数和(自身を含む): 46760400

約数和(自身を除く): 27655520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 12569, 25138, 50276, 62845, 100552, 125690, 201104, 238811, 251380, 477622, 502760, 955244, 1005520, 1194055, 1910488, 2388110, 3820976, 4776220, 9552440, 19104880]

約数ペア:

[(1, 19104880), (2, 9552440), (4, 4776220), (5, 3820976), (8, 2388110), (10, 1910488), (16, 1194055), (19, 1005520), (20, 955244), (38, 502760), (40, 477622), (76, 251380), (80, 238811), (95, 201104), (152, 125690), (190, 100552), (304, 62845), (380, 50276), (760, 25138), (1520, 12569)]