19799388

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{78569}}^1$

素因数の和:78586

約数の個数: 36

約数和(自身を含む): 57198960

約数和(自身を除く): 37399572

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 78569, 157138, 235707, 314276, 471414, 549983, 707121, 942828, 1099966, 1414242, 1649949, 2199932, 2828484, 3299898, 4949847, 6599796, 9899694, 19799388]

約数ペア:

[(1, 19799388), (2, 9899694), (3, 6599796), (4, 4949847), (6, 3299898), (7, 2828484), (9, 2199932), (12, 1649949), (14, 1414242), (18, 1099966), (21, 942828), (28, 707121), (36, 549983), (42, 471414), (63, 314276), (84, 235707), (126, 157138), (252, 78569)]