19032728

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:288

約数の個数: 64

約数和(自身を含む): 42577920

約数和(自身を除く): 23545192

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 127, 131, 143, 254, 262, 286, 508, 524, 572, 1016, 1048, 1144, 1397, 1441, 1651, 1703, 2794, 2882, 3302, 3406, 5588, 5764, 6604, 6812, 11176, 11528, 13208, 13624, 16637, 18161, 18733, 33274, 36322, 37466, 66548, 72644, 74932, 133096, 145288, 149864, 183007, 216281, 366014, 432562, 732028, 865124, 1464056, 1730248, 2379091, 4758182, 9516364, 19032728]

約数ペア:

[(1, 19032728), (2, 9516364), (4, 4758182), (8, 2379091), (11, 1730248), (13, 1464056), (22, 865124), (26, 732028), (44, 432562), (52, 366014), (88, 216281), (104, 183007), (127, 149864), (131, 145288), (143, 133096), (254, 74932), (262, 72644), (286, 66548), (508, 37466), (524, 36322), (572, 33274), (1016, 18733), (1048, 18161), (1144, 16637), (1397, 13624), (1441, 13208), (1651, 11528), (1703, 11176), (2794, 6812), (2882, 6604), (3302, 5764), (3406, 5588)]