19499298

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{503}}^1$

素因数の和:599

約数の個数: 64

約数和(自身を含む): 48771072

約数和(自身を除く): 29271774

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 71, 78, 91, 142, 182, 213, 273, 426, 497, 503, 546, 923, 994, 1006, 1491, 1509, 1846, 2769, 2982, 3018, 3521, 5538, 6461, 6539, 7042, 10563, 12922, 13078, 19383, 19617, 21126, 35713, 38766, 39234, 45773, 71426, 91546, 107139, 137319, 214278, 249991, 274638, 464269, 499982, 749973, 928538, 1392807, 1499946, 2785614, 3249883, 6499766, 9749649, 19499298]

約数ペア:

[(1, 19499298), (2, 9749649), (3, 6499766), (6, 3249883), (7, 2785614), (13, 1499946), (14, 1392807), (21, 928538), (26, 749973), (39, 499982), (42, 464269), (71, 274638), (78, 249991), (91, 214278), (142, 137319), (182, 107139), (213, 91546), (273, 71426), (426, 45773), (497, 39234), (503, 38766), (546, 35713), (923, 21126), (994, 19617), (1006, 19383), (1491, 13078), (1509, 12922), (1846, 10563), (2769, 7042), (2982, 6539), (3018, 6461), (3521, 5538)]