19421744

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{619}}^1$

素因数の和:717

約数の個数: 40

約数和(自身を含む): 39439440

約数和(自身を除く): 20017696

約数列:

[1, 2, 4, 8, 16, 37, 53, 74, 106, 148, 212, 296, 424, 592, 619, 848, 1238, 1961, 2476, 3922, 4952, 7844, 9904, 15688, 22903, 31376, 32807, 45806, 65614, 91612, 131228, 183224, 262456, 366448, 524912, 1213859, 2427718, 4855436, 9710872, 19421744]

約数ペア:

[(1, 19421744), (2, 9710872), (4, 4855436), (8, 2427718), (16, 1213859), (37, 524912), (53, 366448), (74, 262456), (106, 183224), (148, 131228), (212, 91612), (296, 65614), (424, 45806), (592, 32807), (619, 31376), (848, 22903), (1238, 15688), (1961, 9904), (2476, 7844), (3922, 4952)]