19739142

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{257}}^1$

素因数の和:533

約数の個数: 48

約数和(自身を含む): 45641232

約数和(自身を除く): 25902090

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 251, 257, 306, 502, 514, 753, 771, 1506, 1542, 2259, 2313, 4267, 4369, 4518, 4626, 8534, 8738, 12801, 13107, 25602, 26214, 38403, 39321, 64507, 76806, 78642, 129014, 193521, 387042, 580563, 1096619, 1161126, 2193238, 3289857, 6579714, 9869571, 19739142]

約数ペア:

[(1, 19739142), (2, 9869571), (3, 6579714), (6, 3289857), (9, 2193238), (17, 1161126), (18, 1096619), (34, 580563), (51, 387042), (102, 193521), (153, 129014), (251, 78642), (257, 76806), (306, 64507), (502, 39321), (514, 38403), (753, 26214), (771, 25602), (1506, 13107), (1542, 12801), (2259, 8738), (2313, 8534), (4267, 4626), (4369, 4518)]