19157440

素因数分解:

$2^6\times 5^1\times {\mathrm{131}}^1\times {\mathrm{457}}^1$

素因数の和:605

約数の個数: 56

約数和(自身を含む): 46067472

約数和(自身を除く): 26910032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 131, 160, 262, 320, 457, 524, 655, 914, 1048, 1310, 1828, 2096, 2285, 2620, 3656, 4192, 4570, 5240, 7312, 8384, 9140, 10480, 14624, 18280, 20960, 29248, 36560, 41920, 59867, 73120, 119734, 146240, 239468, 299335, 478936, 598670, 957872, 1197340, 1915744, 2394680, 3831488, 4789360, 9578720, 19157440]

約数ペア:

[(1, 19157440), (2, 9578720), (4, 4789360), (5, 3831488), (8, 2394680), (10, 1915744), (16, 1197340), (20, 957872), (32, 598670), (40, 478936), (64, 299335), (80, 239468), (131, 146240), (160, 119734), (262, 73120), (320, 59867), (457, 41920), (524, 36560), (655, 29248), (914, 20960), (1048, 18280), (1310, 14624), (1828, 10480), (2096, 9140), (2285, 8384), (2620, 7312), (3656, 5240), (4192, 4570)]