2019949372

素因数分解:

$2^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{277}}^1\times {\mathrm{1901}}^1$

素因数の和:2326

約数の個数: 48

約数和(自身を含む): 4086226368

約数和(自身を除く): 2066276996

約数列:

[1, 2, 4, 7, 14, 28, 137, 274, 277, 548, 554, 959, 1108, 1901, 1918, 1939, 3802, 3836, 3878, 7604, 7756, 13307, 26614, 37949, 53228, 75898, 151796, 260437, 265643, 520874, 526577, 531286, 1041748, 1053154, 1062572, 1823059, 2106308, 3646118, 3686039, 7292236, 7372078, 14744156, 72141049, 144282098, 288564196, 504987343, 1009974686, 2019949372]

約数ペア:

[(1, 2019949372), (2, 1009974686), (4, 504987343), (7, 288564196), (14, 144282098), (28, 72141049), (137, 14744156), (274, 7372078), (277, 7292236), (548, 3686039), (554, 3646118), (959, 2106308), (1108, 1823059), (1901, 1062572), (1918, 1053154), (1939, 1041748), (3802, 531286), (3836, 526577), (3878, 520874), (7604, 265643), (7756, 260437), (13307, 151796), (26614, 75898), (37949, 53228)]