15205472

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{281}}^1$

素因数の和:399

約数の個数: 48

約数和(自身を含む): 31978800

約数和(自身を除く): 16773328

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 89, 152, 178, 281, 304, 356, 562, 608, 712, 1124, 1424, 1691, 2248, 2848, 3382, 4496, 5339, 6764, 8992, 10678, 13528, 21356, 25009, 27056, 42712, 50018, 54112, 85424, 100036, 170848, 200072, 400144, 475171, 800288, 950342, 1900684, 3801368, 7602736, 15205472]

約数ペア:

[(1, 15205472), (2, 7602736), (4, 3801368), (8, 1900684), (16, 950342), (19, 800288), (32, 475171), (38, 400144), (76, 200072), (89, 170848), (152, 100036), (178, 85424), (281, 54112), (304, 50018), (356, 42712), (562, 27056), (608, 25009), (712, 21356), (1124, 13528), (1424, 10678), (1691, 8992), (2248, 6764), (2848, 5339), (3382, 4496)]