11819860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^3\times {\mathrm{269}}^1$

素因数の和:317

約数の個数: 48

約数和(自身を含む): 26989200

約数和(自身を除く): 15169340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 269, 338, 538, 676, 845, 1076, 1345, 1690, 2197, 2690, 3380, 3497, 4394, 5380, 6994, 8788, 10985, 13988, 17485, 21970, 34970, 43940, 45461, 69940, 90922, 181844, 227305, 454610, 590993, 909220, 1181986, 2363972, 2954965, 5909930, 11819860]

約数ペア:

[(1, 11819860), (2, 5909930), (4, 2954965), (5, 2363972), (10, 1181986), (13, 909220), (20, 590993), (26, 454610), (52, 227305), (65, 181844), (130, 90922), (169, 69940), (260, 45461), (269, 43940), (338, 34970), (538, 21970), (676, 17485), (845, 13988), (1076, 10985), (1345, 8788), (1690, 6994), (2197, 5380), (2690, 4394), (3380, 3497)]