18194540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{769}}^1$

素因数の和:811

約数の個数: 72

約数和(自身を含む): 47345760

約数和(自身を除く): 29151220

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 169, 182, 260, 338, 364, 455, 676, 769, 845, 910, 1183, 1538, 1690, 1820, 2366, 3076, 3380, 3845, 4732, 5383, 5915, 7690, 9997, 10766, 11830, 15380, 19994, 21532, 23660, 26915, 39988, 49985, 53830, 69979, 99970, 107660, 129961, 139958, 199940, 259922, 279916, 349895, 519844, 649805, 699790, 909727, 1299610, 1399580, 1819454, 2599220, 3638908, 4548635, 9097270, 18194540]

約数ペア:

[(1, 18194540), (2, 9097270), (4, 4548635), (5, 3638908), (7, 2599220), (10, 1819454), (13, 1399580), (14, 1299610), (20, 909727), (26, 699790), (28, 649805), (35, 519844), (52, 349895), (65, 279916), (70, 259922), (91, 199940), (130, 139958), (140, 129961), (169, 107660), (182, 99970), (260, 69979), (338, 53830), (364, 49985), (455, 39988), (676, 26915), (769, 23660), (845, 21532), (910, 19994), (1183, 15380), (1538, 11830), (1690, 10766), (1820, 9997), (2366, 7690), (3076, 5915), (3380, 5383), (3845, 4732)]