19922890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{463}}^1$

素因数の和:814

約数の個数: 32

約数和(自身を含む): 38820096

約数和(自身を除く): 18897206

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 331, 463, 662, 926, 1655, 2315, 3310, 4303, 4630, 6019, 8606, 12038, 21515, 30095, 43030, 60190, 153253, 306506, 766265, 1532530, 1992289, 3984578, 9961445, 19922890]

約数ペア:

[(1, 19922890), (2, 9961445), (5, 3984578), (10, 1992289), (13, 1532530), (26, 766265), (65, 306506), (130, 153253), (331, 60190), (463, 43030), (662, 30095), (926, 21515), (1655, 12038), (2315, 8606), (3310, 6019), (4303, 4630)]