19523296

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{661}}^1$

素因数の和:755

約数の個数: 48

約数和(自身を含む): 42039648

約数和(自身を除く): 22516352

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 71, 104, 142, 208, 284, 416, 568, 661, 923, 1136, 1322, 1846, 2272, 2644, 3692, 5288, 7384, 8593, 10576, 14768, 17186, 21152, 29536, 34372, 46931, 68744, 93862, 137488, 187724, 274976, 375448, 610103, 750896, 1220206, 1501792, 2440412, 4880824, 9761648, 19523296]

約数ペア:

[(1, 19523296), (2, 9761648), (4, 4880824), (8, 2440412), (13, 1501792), (16, 1220206), (26, 750896), (32, 610103), (52, 375448), (71, 274976), (104, 187724), (142, 137488), (208, 93862), (284, 68744), (416, 46931), (568, 34372), (661, 29536), (923, 21152), (1136, 17186), (1322, 14768), (1846, 10576), (2272, 8593), (2644, 7384), (3692, 5288)]