19738966

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{557}}^1$

素因数の和:648

約数の個数: 32

約数和(自身を含む): 33747840

約数和(自身を除く): 14008874

約数列:

[1, 2, 13, 26, 29, 47, 58, 94, 377, 557, 611, 754, 1114, 1222, 1363, 2726, 7241, 14482, 16153, 17719, 26179, 32306, 35438, 52358, 209989, 340327, 419978, 680654, 759191, 1518382, 9869483, 19738966]

約数ペア:

[(1, 19738966), (2, 9869483), (13, 1518382), (26, 759191), (29, 680654), (47, 419978), (58, 340327), (94, 209989), (377, 52358), (557, 35438), (611, 32306), (754, 26179), (1114, 17719), (1222, 16153), (1363, 14482), (2726, 7241)]