19780962

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{2179}}^1$

素因数の和:2290

約数の個数: 32

約数和(自身を含む): 42379200

約数和(自身を除く): 22598238

約数列:

[1, 2, 3, 6, 17, 34, 51, 89, 102, 178, 267, 534, 1513, 2179, 3026, 4358, 4539, 6537, 9078, 13074, 37043, 74086, 111129, 193931, 222258, 387862, 581793, 1163586, 3296827, 6593654, 9890481, 19780962]

約数ペア:

[(1, 19780962), (2, 9890481), (3, 6593654), (6, 3296827), (17, 1163586), (34, 581793), (51, 387862), (89, 222258), (102, 193931), (178, 111129), (267, 74086), (534, 37043), (1513, 13074), (2179, 9078), (3026, 6537), (4358, 4539)]