19333520

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{3607}}^1$

素因数の和:3687

約数の個数: 40

約数和(自身を含む): 45633984

約数和(自身を除く): 26300464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 3607, 5360, 7214, 14428, 18035, 28856, 36070, 57712, 72140, 144280, 241669, 288560, 483338, 966676, 1208345, 1933352, 2416690, 3866704, 4833380, 9666760, 19333520]

約数ペア:

[(1, 19333520), (2, 9666760), (4, 4833380), (5, 3866704), (8, 2416690), (10, 1933352), (16, 1208345), (20, 966676), (40, 483338), (67, 288560), (80, 241669), (134, 144280), (268, 72140), (335, 57712), (536, 36070), (670, 28856), (1072, 18035), (1340, 14428), (2680, 7214), (3607, 5360)]