19864156624

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1801901}}^1$

素因数の和:1801975

約数の個数: 40

約数和(自身を含む): 42229375272

約数和(自身を除く): 22365218648

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 53, 104, 106, 208, 212, 424, 689, 848, 1378, 2756, 5512, 11024, 1801901, 3603802, 7207604, 14415208, 23424713, 28830416, 46849426, 93698852, 95500753, 187397704, 191001506, 374795408, 382003012, 764006024, 1241509789, 1528012048, 2483019578, 4966039156, 9932078312, 19864156624]

約数ペア:

[(1, 19864156624), (2, 9932078312), (4, 4966039156), (8, 2483019578), (13, 1528012048), (16, 1241509789), (26, 764006024), (52, 382003012), (53, 374795408), (104, 191001506), (106, 187397704), (208, 95500753), (212, 93698852), (424, 46849426), (689, 28830416), (848, 23424713), (1378, 14415208), (2756, 7207604), (5512, 3603802), (11024, 1801901)]