19486912

素因数分解:

$2^6\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:225

約数の個数: 56

約数和(自身を含む): 40524176

約数和(自身を除く): 21037264

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 73, 86, 97, 146, 172, 194, 292, 344, 388, 584, 688, 776, 1168, 1376, 1552, 2336, 2752, 3104, 3139, 4171, 4672, 6208, 6278, 7081, 8342, 12556, 14162, 16684, 25112, 28324, 33368, 50224, 56648, 66736, 100448, 113296, 133472, 200896, 226592, 266944, 304483, 453184, 608966, 1217932, 2435864, 4871728, 9743456, 19486912]

約数ペア:

[(1, 19486912), (2, 9743456), (4, 4871728), (8, 2435864), (16, 1217932), (32, 608966), (43, 453184), (64, 304483), (73, 266944), (86, 226592), (97, 200896), (146, 133472), (172, 113296), (194, 100448), (292, 66736), (344, 56648), (388, 50224), (584, 33368), (688, 28324), (776, 25112), (1168, 16684), (1376, 14162), (1552, 12556), (2336, 8342), (2752, 7081), (3104, 6278), (3139, 6208), (4171, 4672)]