18811450

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{757}}^1$

素因数の和:847

約数の個数: 48

約数和(自身を含む): 40604544

約数和(自身を除く): 21793094

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 71, 142, 175, 350, 355, 497, 710, 757, 994, 1514, 1775, 2485, 3550, 3785, 4970, 5299, 7570, 10598, 12425, 18925, 24850, 26495, 37850, 52990, 53747, 107494, 132475, 264950, 268735, 376229, 537470, 752458, 1343675, 1881145, 2687350, 3762290, 9405725, 18811450]

約数ペア:

[(1, 18811450), (2, 9405725), (5, 3762290), (7, 2687350), (10, 1881145), (14, 1343675), (25, 752458), (35, 537470), (50, 376229), (70, 268735), (71, 264950), (142, 132475), (175, 107494), (350, 53747), (355, 52990), (497, 37850), (710, 26495), (757, 24850), (994, 18925), (1514, 12425), (1775, 10598), (2485, 7570), (3550, 5299), (3785, 4970)]