19345480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{571}}^1$

素因数の和:611

約数の個数: 96

約数和(自身を含む): 54774720

約数和(自身を除く): 35429240

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 121, 140, 154, 220, 242, 280, 308, 385, 440, 484, 571, 605, 616, 770, 847, 968, 1142, 1210, 1540, 1694, 2284, 2420, 2855, 3080, 3388, 3997, 4235, 4568, 4840, 5710, 6281, 6776, 7994, 8470, 11420, 12562, 15988, 16940, 19985, 22840, 25124, 31405, 31976, 33880, 39970, 43967, 50248, 62810, 69091, 79940, 87934, 125620, 138182, 159880, 175868, 219835, 251240, 276364, 345455, 351736, 439670, 483637, 552728, 690910, 879340, 967274, 1381820, 1758680, 1934548, 2418185, 2763640, 3869096, 4836370, 9672740, 19345480]

約数ペア:

[(1, 19345480), (2, 9672740), (4, 4836370), (5, 3869096), (7, 2763640), (8, 2418185), (10, 1934548), (11, 1758680), (14, 1381820), (20, 967274), (22, 879340), (28, 690910), (35, 552728), (40, 483637), (44, 439670), (55, 351736), (56, 345455), (70, 276364), (77, 251240), (88, 219835), (110, 175868), (121, 159880), (140, 138182), (154, 125620), (220, 87934), (242, 79940), (280, 69091), (308, 62810), (385, 50248), (440, 43967), (484, 39970), (571, 33880), (605, 31976), (616, 31405), (770, 25124), (847, 22840), (968, 19985), (1142, 16940), (1210, 15988), (1540, 12562), (1694, 11420), (2284, 8470), (2420, 7994), (2855, 6776), (3080, 6281), (3388, 5710), (3997, 4840), (4235, 4568)]