19739694

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{2609}}^1$

素因数の和:2724

約数の個数: 32

約数和(自身を含む): 42971040

約数和(自身を除く): 23231346

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 97, 194, 291, 582, 1261, 2522, 2609, 3783, 5218, 7566, 7827, 15654, 33917, 67834, 101751, 203502, 253073, 506146, 759219, 1518438, 3289949, 6579898, 9869847, 19739694]

約数ペア:

[(1, 19739694), (2, 9869847), (3, 6579898), (6, 3289949), (13, 1518438), (26, 759219), (39, 506146), (78, 253073), (97, 203502), (194, 101751), (291, 67834), (582, 33917), (1261, 15654), (2522, 7827), (2609, 7566), (3783, 5218)]