19159868

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{4049}}^1$

素因数の和:4086

約数の個数: 36

約数和(自身を含む): 41504400

約数和(自身を除く): 22344532

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 169, 182, 338, 364, 676, 1183, 2366, 4049, 4732, 8098, 16196, 28343, 52637, 56686, 105274, 113372, 210548, 368459, 684281, 736918, 1368562, 1473836, 2737124, 4789967, 9579934, 19159868]

約数ペア:

[(1, 19159868), (2, 9579934), (4, 4789967), (7, 2737124), (13, 1473836), (14, 1368562), (26, 736918), (28, 684281), (52, 368459), (91, 210548), (169, 113372), (182, 105274), (338, 56686), (364, 52637), (676, 28343), (1183, 16196), (2366, 8098), (4049, 4732)]