18879280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{33713}}^1$

素因数の和:33733

約数の個数: 40

約数和(自身を含む): 50166432

約数和(自身を除く): 31287152

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 33713, 67426, 134852, 168565, 235991, 269704, 337130, 471982, 539408, 674260, 943964, 1179955, 1348520, 1887928, 2359910, 2697040, 3775856, 4719820, 9439640, 18879280]

約数ペア:

[(1, 18879280), (2, 9439640), (4, 4719820), (5, 3775856), (7, 2697040), (8, 2359910), (10, 1887928), (14, 1348520), (16, 1179955), (20, 943964), (28, 674260), (35, 539408), (40, 471982), (56, 337130), (70, 269704), (80, 235991), (112, 168565), (140, 134852), (280, 67426), (560, 33713)]