1320403842

素因数分解:

$2^1\times 3^4\times {\mathrm{431}}^1\times {\mathrm{18911}}^1$

素因数の和:19356

約数の個数: 40

約数和(自身を含む): 2965704192

約数和(自身を除く): 1645300350

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 431, 862, 1293, 2586, 3879, 7758, 11637, 18911, 23274, 34911, 37822, 56733, 69822, 113466, 170199, 340398, 510597, 1021194, 1531791, 3063582, 8150641, 16301282, 24451923, 48903846, 73355769, 146711538, 220067307, 440134614, 660201921, 1320403842]

約数ペア:

[(1, 1320403842), (2, 660201921), (3, 440134614), (6, 220067307), (9, 146711538), (18, 73355769), (27, 48903846), (54, 24451923), (81, 16301282), (162, 8150641), (431, 3063582), (862, 1531791), (1293, 1021194), (2586, 510597), (3879, 340398), (7758, 170199), (11637, 113466), (18911, 69822), (23274, 56733), (34911, 37822)]