19571150

素因数分解:

$2^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:269

約数の個数: 48

約数和(自身を含む): 38167200

約数和(自身を除く): 18596050

約数列:

[1, 2, 5, 10, 25, 37, 50, 71, 74, 142, 149, 185, 298, 355, 370, 710, 745, 925, 1490, 1775, 1850, 2627, 3550, 3725, 5254, 5513, 7450, 10579, 11026, 13135, 21158, 26270, 27565, 52895, 55130, 65675, 105790, 131350, 137825, 264475, 275650, 391423, 528950, 782846, 1957115, 3914230, 9785575, 19571150]

約数ペア:

[(1, 19571150), (2, 9785575), (5, 3914230), (10, 1957115), (25, 782846), (37, 528950), (50, 391423), (71, 275650), (74, 264475), (142, 137825), (149, 131350), (185, 105790), (298, 65675), (355, 55130), (370, 52895), (710, 27565), (745, 26270), (925, 21158), (1490, 13135), (1775, 11026), (1850, 10579), (2627, 7450), (3550, 5513), (3725, 5254)]