19294788

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{613}}^1$

素因数の和:724

約数の個数: 48

約数和(自身を含む): 46899776

約数和(自身を除く): 27604988

約数列:

[1, 2, 3, 4, 6, 12, 43, 61, 86, 122, 129, 172, 183, 244, 258, 366, 516, 613, 732, 1226, 1839, 2452, 2623, 3678, 5246, 7356, 7869, 10492, 15738, 26359, 31476, 37393, 52718, 74786, 79077, 105436, 112179, 149572, 158154, 224358, 316308, 448716, 1607899, 3215798, 4823697, 6431596, 9647394, 19294788]

約数ペア:

[(1, 19294788), (2, 9647394), (3, 6431596), (4, 4823697), (6, 3215798), (12, 1607899), (43, 448716), (61, 316308), (86, 224358), (122, 158154), (129, 149572), (172, 112179), (183, 105436), (244, 79077), (258, 74786), (366, 52718), (516, 37393), (613, 31476), (732, 26359), (1226, 15738), (1839, 10492), (2452, 7869), (2623, 7356), (3678, 5246)]