19710196

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{12107}}^1$

素因数の和:12159

約数の個数: 24

約数和(自身を含む): 38648736

約数和(自身を除く): 18938540

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 148, 407, 814, 1628, 12107, 24214, 48428, 133177, 266354, 447959, 532708, 895918, 1791836, 4927549, 9855098, 19710196]

約数ペア:

[(1, 19710196), (2, 9855098), (4, 4927549), (11, 1791836), (22, 895918), (37, 532708), (44, 447959), (74, 266354), (148, 133177), (407, 48428), (814, 24214), (1628, 12107)]