20181255982

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{449}}^1\times {\mathrm{5189}}^1$

素因数の和:5772

約数の個数: 32

約数和(自身を含む): 31277016000

約数和(自身を除く): 11095760018

約数列:

[1, 2, 61, 71, 122, 142, 449, 898, 4331, 5189, 8662, 10378, 27389, 31879, 54778, 63758, 316529, 368419, 633058, 736838, 1944619, 2329861, 3889238, 4659722, 22473559, 44947118, 142121521, 165420131, 284243042, 330840262, 10090627991, 20181255982]

約数ペア:

[(1, 20181255982), (2, 10090627991), (61, 330840262), (71, 284243042), (122, 165420131), (142, 142121521), (449, 44947118), (898, 22473559), (4331, 4659722), (5189, 3889238), (8662, 2329861), (10378, 1944619), (27389, 736838), (31879, 633058), (54778, 368419), (63758, 316529)]