18961124

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{4007}}^1$

素因数の和:4044

約数の個数: 36

約数和(自身を含む): 41073984

約数和(自身を除く): 22112860

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 169, 182, 338, 364, 676, 1183, 2366, 4007, 4732, 8014, 16028, 28049, 52091, 56098, 104182, 112196, 208364, 364637, 677183, 729274, 1354366, 1458548, 2708732, 4740281, 9480562, 18961124]

約数ペア:

[(1, 18961124), (2, 9480562), (4, 4740281), (7, 2708732), (13, 1458548), (14, 1354366), (26, 729274), (28, 677183), (52, 364637), (91, 208364), (169, 112196), (182, 104182), (338, 56098), (364, 52091), (676, 28049), (1183, 16028), (2366, 8014), (4007, 4732)]