19750928

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{281}}^1$

素因数の和:503

約数の個数: 40

約数和(自身を含む): 40283136

約数和(自身を除く): 20532208

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 191, 281, 368, 382, 562, 764, 1124, 1528, 2248, 3056, 4393, 4496, 6463, 8786, 12926, 17572, 25852, 35144, 51704, 53671, 70288, 103408, 107342, 214684, 429368, 858736, 1234433, 2468866, 4937732, 9875464, 19750928]

約数ペア:

[(1, 19750928), (2, 9875464), (4, 4937732), (8, 2468866), (16, 1234433), (23, 858736), (46, 429368), (92, 214684), (184, 107342), (191, 103408), (281, 70288), (368, 53671), (382, 51704), (562, 35144), (764, 25852), (1124, 17572), (1528, 12926), (2248, 8786), (3056, 6463), (4393, 4496)]