19363995

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{661}}^1$

素因数の和:713

約数の個数: 64

約数和(自身を含む): 40673280

約数和(自身を除く): 21309285

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 31, 35, 45, 63, 93, 105, 135, 155, 189, 217, 279, 315, 465, 651, 661, 837, 945, 1085, 1395, 1953, 1983, 3255, 3305, 4185, 4627, 5859, 5949, 9765, 9915, 13881, 17847, 20491, 23135, 29295, 29745, 41643, 61473, 69405, 89235, 102455, 124929, 143437, 184419, 208215, 307365, 430311, 553257, 624645, 717185, 922095, 1290933, 2151555, 2766285, 3872799, 6454665, 19363995]

約数ペア:

[(1, 19363995), (3, 6454665), (5, 3872799), (7, 2766285), (9, 2151555), (15, 1290933), (21, 922095), (27, 717185), (31, 624645), (35, 553257), (45, 430311), (63, 307365), (93, 208215), (105, 184419), (135, 143437), (155, 124929), (189, 102455), (217, 89235), (279, 69405), (315, 61473), (465, 41643), (651, 29745), (661, 29295), (837, 23135), (945, 20491), (1085, 17847), (1395, 13881), (1953, 9915), (1983, 9765), (3255, 5949), (3305, 5859), (4185, 4627)]