18394480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{769}}^1$

素因数の和:818

約数の個数: 80

約数和(自身を含む): 48121920

約数和(自身を除く): 29727440

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 40, 46, 52, 65, 80, 92, 104, 115, 130, 184, 208, 230, 260, 299, 368, 460, 520, 598, 769, 920, 1040, 1196, 1495, 1538, 1840, 2392, 2990, 3076, 3845, 4784, 5980, 6152, 7690, 9997, 11960, 12304, 15380, 17687, 19994, 23920, 30760, 35374, 39988, 49985, 61520, 70748, 79976, 88435, 99970, 141496, 159952, 176870, 199940, 229931, 282992, 353740, 399880, 459862, 707480, 799760, 919724, 1149655, 1414960, 1839448, 2299310, 3678896, 4598620, 9197240, 18394480]

約数ペア:

[(1, 18394480), (2, 9197240), (4, 4598620), (5, 3678896), (8, 2299310), (10, 1839448), (13, 1414960), (16, 1149655), (20, 919724), (23, 799760), (26, 707480), (40, 459862), (46, 399880), (52, 353740), (65, 282992), (80, 229931), (92, 199940), (104, 176870), (115, 159952), (130, 141496), (184, 99970), (208, 88435), (230, 79976), (260, 70748), (299, 61520), (368, 49985), (460, 39988), (520, 35374), (598, 30760), (769, 23920), (920, 19994), (1040, 17687), (1196, 15380), (1495, 12304), (1538, 11960), (1840, 9997), (2392, 7690), (2990, 6152), (3076, 5980), (3845, 4784)]