18876798

素因数分解:

$2^1\times 3^2\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{421}}^1$

素因数の和:529

約数の個数: 48

約数和(自身を含む): 42659136

約数和(自身を除く): 23782338

約数列:

[1, 2, 3, 6, 9, 18, 47, 53, 94, 106, 141, 159, 282, 318, 421, 423, 477, 842, 846, 954, 1263, 2491, 2526, 3789, 4982, 7473, 7578, 14946, 19787, 22313, 22419, 39574, 44626, 44838, 59361, 66939, 118722, 133878, 178083, 200817, 356166, 401634, 1048711, 2097422, 3146133, 6292266, 9438399, 18876798]

約数ペア:

[(1, 18876798), (2, 9438399), (3, 6292266), (6, 3146133), (9, 2097422), (18, 1048711), (47, 401634), (53, 356166), (94, 200817), (106, 178083), (141, 133878), (159, 118722), (282, 66939), (318, 59361), (421, 44838), (423, 44626), (477, 39574), (842, 22419), (846, 22313), (954, 19787), (1263, 14946), (2491, 7578), (2526, 7473), (3789, 4982)]