19698272

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{523}}^1$

素因数の和:651

約数の個数: 48

約数和(自身を含む): 42783552

約数和(自身を除く): 23085280

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 107, 176, 214, 352, 428, 523, 856, 1046, 1177, 1712, 2092, 2354, 3424, 4184, 4708, 5753, 8368, 9416, 11506, 16736, 18832, 23012, 37664, 46024, 55961, 92048, 111922, 184096, 223844, 447688, 615571, 895376, 1231142, 1790752, 2462284, 4924568, 9849136, 19698272]

約数ペア:

[(1, 19698272), (2, 9849136), (4, 4924568), (8, 2462284), (11, 1790752), (16, 1231142), (22, 895376), (32, 615571), (44, 447688), (88, 223844), (107, 184096), (176, 111922), (214, 92048), (352, 55961), (428, 46024), (523, 37664), (856, 23012), (1046, 18832), (1177, 16736), (1712, 11506), (2092, 9416), (2354, 8368), (3424, 5753), (4184, 4708)]