19687824

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^2\times {\mathrm{809}}^1$

素因数の和:849

約数の個数: 90

約数和(自身を含む): 59736690

約数和(自身を除く): 40048866

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 169, 208, 234, 312, 338, 468, 507, 624, 676, 809, 936, 1014, 1352, 1521, 1618, 1872, 2028, 2427, 2704, 3042, 3236, 4056, 4854, 6084, 6472, 7281, 8112, 9708, 10517, 12168, 12944, 14562, 19416, 21034, 24336, 29124, 31551, 38832, 42068, 58248, 63102, 84136, 94653, 116496, 126204, 136721, 168272, 189306, 252408, 273442, 378612, 410163, 504816, 546884, 757224, 820326, 1093768, 1230489, 1514448, 1640652, 2187536, 2460978, 3281304, 4921956, 6562608, 9843912, 19687824]

約数ペア:

[(1, 19687824), (2, 9843912), (3, 6562608), (4, 4921956), (6, 3281304), (8, 2460978), (9, 2187536), (12, 1640652), (13, 1514448), (16, 1230489), (18, 1093768), (24, 820326), (26, 757224), (36, 546884), (39, 504816), (48, 410163), (52, 378612), (72, 273442), (78, 252408), (104, 189306), (117, 168272), (144, 136721), (156, 126204), (169, 116496), (208, 94653), (234, 84136), (312, 63102), (338, 58248), (468, 42068), (507, 38832), (624, 31551), (676, 29124), (809, 24336), (936, 21034), (1014, 19416), (1352, 14562), (1521, 12944), (1618, 12168), (1872, 10517), (2028, 9708), (2427, 8112), (2704, 7281), (3042, 6472), (3236, 6084), (4056, 4854)]