19001440

素因数分解:

$2^5\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1153}}^1$

素因数の和:1271

約数の個数: 48

約数和(自身を含む): 45366048

約数和(自身を除く): 26364608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 103, 160, 206, 412, 515, 824, 1030, 1153, 1648, 2060, 2306, 3296, 4120, 4612, 5765, 8240, 9224, 11530, 16480, 18448, 23060, 36896, 46120, 92240, 118759, 184480, 237518, 475036, 593795, 950072, 1187590, 1900144, 2375180, 3800288, 4750360, 9500720, 19001440]

約数ペア:

[(1, 19001440), (2, 9500720), (4, 4750360), (5, 3800288), (8, 2375180), (10, 1900144), (16, 1187590), (20, 950072), (32, 593795), (40, 475036), (80, 237518), (103, 184480), (160, 118759), (206, 92240), (412, 46120), (515, 36896), (824, 23060), (1030, 18448), (1153, 16480), (1648, 11530), (2060, 9224), (2306, 8240), (3296, 5765), (4120, 4612)]