18746272

素因数分解:

$2^5\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1$

素因数の和:341

約数の個数: 48

約数和(自身を含む): 38610432

約数和(自身を除く): 19864160

約数列:

[1, 2, 4, 8, 16, 32, 37, 71, 74, 142, 148, 223, 284, 296, 446, 568, 592, 892, 1136, 1184, 1784, 2272, 2627, 3568, 5254, 7136, 8251, 10508, 15833, 16502, 21016, 31666, 33004, 42032, 63332, 66008, 84064, 126664, 132016, 253328, 264032, 506656, 585821, 1171642, 2343284, 4686568, 9373136, 18746272]

約数ペア:

[(1, 18746272), (2, 9373136), (4, 4686568), (8, 2343284), (16, 1171642), (32, 585821), (37, 506656), (71, 264032), (74, 253328), (142, 132016), (148, 126664), (223, 84064), (284, 66008), (296, 63332), (446, 42032), (568, 33004), (592, 31666), (892, 21016), (1136, 16502), (1184, 15833), (1784, 10508), (2272, 8251), (2627, 7136), (3568, 5254)]