16819890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1$

素因数の和:287

約数の個数: 64

約数和(自身を含む): 42024960

約数和(自身を除く): 25205070

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 47, 79, 94, 141, 151, 158, 235, 237, 282, 302, 395, 453, 470, 474, 705, 755, 790, 906, 1185, 1410, 1510, 2265, 2370, 3713, 4530, 7097, 7426, 11139, 11929, 14194, 18565, 21291, 22278, 23858, 35485, 35787, 37130, 42582, 55695, 59645, 70970, 71574, 106455, 111390, 119290, 178935, 212910, 357870, 560663, 1121326, 1681989, 2803315, 3363978, 5606630, 8409945, 16819890]

約数ペア:

[(1, 16819890), (2, 8409945), (3, 5606630), (5, 3363978), (6, 2803315), (10, 1681989), (15, 1121326), (30, 560663), (47, 357870), (79, 212910), (94, 178935), (141, 119290), (151, 111390), (158, 106455), (235, 71574), (237, 70970), (282, 59645), (302, 55695), (395, 42582), (453, 37130), (470, 35787), (474, 35485), (705, 23858), (755, 22278), (790, 21291), (906, 18565), (1185, 14194), (1410, 11929), (1510, 11139), (2265, 7426), (2370, 7097), (3713, 4530)]