19688224

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{223}}^1$

素因数の和:353

約数の個数: 48

約数和(自身を含む): 40642560

約数和(自身を除く): 20954336

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 89, 124, 178, 223, 248, 356, 446, 496, 712, 892, 992, 1424, 1784, 2759, 2848, 3568, 5518, 6913, 7136, 11036, 13826, 19847, 22072, 27652, 39694, 44144, 55304, 79388, 88288, 110608, 158776, 221216, 317552, 615257, 635104, 1230514, 2461028, 4922056, 9844112, 19688224]

約数ペア:

[(1, 19688224), (2, 9844112), (4, 4922056), (8, 2461028), (16, 1230514), (31, 635104), (32, 615257), (62, 317552), (89, 221216), (124, 158776), (178, 110608), (223, 88288), (248, 79388), (356, 55304), (446, 44144), (496, 39694), (712, 27652), (892, 22072), (992, 19847), (1424, 13826), (1784, 11036), (2759, 7136), (2848, 6913), (3568, 5518)]