18727456

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{641}}^1$

素因数の和:745

約数の個数: 48

約数和(自身を含む): 40769568

約数和(自身を除く): 22042112

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 83, 88, 166, 176, 332, 352, 641, 664, 913, 1282, 1328, 1826, 2564, 2656, 3652, 5128, 7051, 7304, 10256, 14102, 14608, 20512, 28204, 29216, 53203, 56408, 106406, 112816, 212812, 225632, 425624, 585233, 851248, 1170466, 1702496, 2340932, 4681864, 9363728, 18727456]

約数ペア:

[(1, 18727456), (2, 9363728), (4, 4681864), (8, 2340932), (11, 1702496), (16, 1170466), (22, 851248), (32, 585233), (44, 425624), (83, 225632), (88, 212812), (166, 112816), (176, 106406), (332, 56408), (352, 53203), (641, 29216), (664, 28204), (913, 20512), (1282, 14608), (1328, 14102), (1826, 10256), (2564, 7304), (2656, 7051), (3652, 5128)]