19335316

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{439}}^1$

素因数の和:485

約数の個数: 72

約数和(自身を含む): 45879680

約数和(自身を除く): 26544364

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 121, 143, 154, 182, 242, 286, 308, 364, 439, 484, 572, 847, 878, 1001, 1573, 1694, 1756, 2002, 3073, 3146, 3388, 4004, 4829, 5707, 6146, 6292, 9658, 11011, 11414, 12292, 19316, 22022, 22828, 33803, 39949, 44044, 53119, 62777, 67606, 79898, 106238, 125554, 135212, 159796, 212476, 251108, 371833, 439439, 690547, 743666, 878878, 1381094, 1487332, 1757756, 2762188, 4833829, 9667658, 19335316]

約数ペア:

[(1, 19335316), (2, 9667658), (4, 4833829), (7, 2762188), (11, 1757756), (13, 1487332), (14, 1381094), (22, 878878), (26, 743666), (28, 690547), (44, 439439), (52, 371833), (77, 251108), (91, 212476), (121, 159796), (143, 135212), (154, 125554), (182, 106238), (242, 79898), (286, 67606), (308, 62777), (364, 53119), (439, 44044), (484, 39949), (572, 33803), (847, 22828), (878, 22022), (1001, 19316), (1573, 12292), (1694, 11414), (1756, 11011), (2002, 9658), (3073, 6292), (3146, 6146), (3388, 5707), (4004, 4829)]