17831940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{42457}}^1$

素因数の和:42476

約数の個数: 48

約数和(自身を含む): 57063552

約数和(自身を除く): 39231612

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 42457, 84914, 127371, 169828, 212285, 254742, 297199, 424570, 509484, 594398, 636855, 849140, 891597, 1188796, 1273710, 1485995, 1783194, 2547420, 2971990, 3566388, 4457985, 5943980, 8915970, 17831940]

約数ペア:

[(1, 17831940), (2, 8915970), (3, 5943980), (4, 4457985), (5, 3566388), (6, 2971990), (7, 2547420), (10, 1783194), (12, 1485995), (14, 1273710), (15, 1188796), (20, 891597), (21, 849140), (28, 636855), (30, 594398), (35, 509484), (42, 424570), (60, 297199), (70, 254742), (84, 212285), (105, 169828), (140, 127371), (210, 84914), (420, 42457)]