19082325

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:214

約数の個数: 48

約数和(自身を含む): 33150656

約数和(自身を除く): 14068331

約数列:

[1, 3, 5, 15, 25, 43, 61, 75, 97, 129, 183, 215, 291, 305, 485, 645, 915, 1075, 1455, 1525, 2425, 2623, 3225, 4171, 4575, 5917, 7275, 7869, 12513, 13115, 17751, 20855, 29585, 39345, 62565, 65575, 88755, 104275, 147925, 196725, 254431, 312825, 443775, 763293, 1272155, 3816465, 6360775, 19082325]

約数ペア:

[(1, 19082325), (3, 6360775), (5, 3816465), (15, 1272155), (25, 763293), (43, 443775), (61, 312825), (75, 254431), (97, 196725), (129, 147925), (183, 104275), (215, 88755), (291, 65575), (305, 62565), (485, 39345), (645, 29585), (915, 20855), (1075, 17751), (1455, 13115), (1525, 12513), (2425, 7869), (2623, 7275), (3225, 5917), (4171, 4575)]