19741696

素因数分解:

$2^{10}\times {\mathrm{13}}^1\times {\mathrm{1483}}^1$

素因数の和:1516

約数の個数: 44

約数和(自身を含む): 42528472

約数和(自身を除く): 22786776

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 512, 832, 1024, 1483, 1664, 2966, 3328, 5932, 6656, 11864, 13312, 19279, 23728, 38558, 47456, 77116, 94912, 154232, 189824, 308464, 379648, 616928, 759296, 1233856, 1518592, 2467712, 4935424, 9870848, 19741696]

約数ペア:

[(1, 19741696), (2, 9870848), (4, 4935424), (8, 2467712), (13, 1518592), (16, 1233856), (26, 759296), (32, 616928), (52, 379648), (64, 308464), (104, 189824), (128, 154232), (208, 94912), (256, 77116), (416, 47456), (512, 38558), (832, 23728), (1024, 19279), (1483, 13312), (1664, 11864), (2966, 6656), (3328, 5932)]