19220556

素因数分解:

$2^2\times 3^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{643}}^1$

素因数の和:750

約数の個数: 48

約数和(自身を含む): 46738944

約数和(自身を除く): 27518388

約数列:

[1, 2, 3, 4, 6, 12, 47, 53, 94, 106, 141, 159, 188, 212, 282, 318, 564, 636, 643, 1286, 1929, 2491, 2572, 3858, 4982, 7473, 7716, 9964, 14946, 29892, 30221, 34079, 60442, 68158, 90663, 102237, 120884, 136316, 181326, 204474, 362652, 408948, 1601713, 3203426, 4805139, 6406852, 9610278, 19220556]

約数ペア:

[(1, 19220556), (2, 9610278), (3, 6406852), (4, 4805139), (6, 3203426), (12, 1601713), (47, 408948), (53, 362652), (94, 204474), (106, 181326), (141, 136316), (159, 120884), (188, 102237), (212, 90663), (282, 68158), (318, 60442), (564, 34079), (636, 30221), (643, 29892), (1286, 14946), (1929, 9964), (2491, 7716), (2572, 7473), (3858, 4982)]