19415552

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{2917}}^1$

素因数の和:2948

約数の個数: 40

約数和(自身を含む): 41791596

約数和(自身を除く): 22376044

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 512, 832, 1664, 2917, 3328, 5834, 6656, 11668, 23336, 37921, 46672, 75842, 93344, 151684, 186688, 303368, 373376, 606736, 746752, 1213472, 1493504, 2426944, 4853888, 9707776, 19415552]

約数ペア:

[(1, 19415552), (2, 9707776), (4, 4853888), (8, 2426944), (13, 1493504), (16, 1213472), (26, 746752), (32, 606736), (52, 373376), (64, 303368), (104, 186688), (128, 151684), (208, 93344), (256, 75842), (416, 46672), (512, 37921), (832, 23336), (1664, 11668), (2917, 6656), (3328, 5834)]