19706308

素因数分解:

$2^2\times {\mathrm{23}}^2\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:256

約数の個数: 36

約数和(自身を含む): 36851920

約数和(自身を除く): 17145612

約数列:

[1, 2, 4, 23, 46, 67, 92, 134, 139, 268, 278, 529, 556, 1058, 1541, 2116, 3082, 3197, 6164, 6394, 9313, 12788, 18626, 35443, 37252, 70886, 73531, 141772, 147062, 214199, 294124, 428398, 856796, 4926577, 9853154, 19706308]

約数ペア:

[(1, 19706308), (2, 9853154), (4, 4926577), (23, 856796), (46, 428398), (67, 294124), (92, 214199), (134, 147062), (139, 141772), (268, 73531), (278, 70886), (529, 37252), (556, 35443), (1058, 18626), (1541, 12788), (2116, 9313), (3082, 6394), (3197, 6164)]