19629536

素因数分解:

$2^5\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{281}}^1$

素因数の和:387

約数の個数: 48

約数和(自身を含む): 40506480

約数和(自身を除く): 20876944

約数列:

[1, 2, 4, 8, 16, 32, 37, 59, 74, 118, 148, 236, 281, 296, 472, 562, 592, 944, 1124, 1184, 1888, 2183, 2248, 4366, 4496, 8732, 8992, 10397, 16579, 17464, 20794, 33158, 34928, 41588, 66316, 69856, 83176, 132632, 166352, 265264, 332704, 530528, 613423, 1226846, 2453692, 4907384, 9814768, 19629536]

約数ペア:

[(1, 19629536), (2, 9814768), (4, 4907384), (8, 2453692), (16, 1226846), (32, 613423), (37, 530528), (59, 332704), (74, 265264), (118, 166352), (148, 132632), (236, 83176), (281, 69856), (296, 66316), (472, 41588), (562, 34928), (592, 33158), (944, 20794), (1124, 17464), (1184, 16579), (1888, 10397), (2183, 8992), (2248, 8732), (4366, 4496)]