19897236

素因数分解:

$2^2\times 3^2\times {\mathrm{439}}^1\times {\mathrm{1259}}^1$

素因数の和:1708

約数の個数: 36

約数和(自身を含む): 50450400

約数和(自身を除く): 30553164

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 439, 878, 1259, 1317, 1756, 2518, 2634, 3777, 3951, 5036, 5268, 7554, 7902, 11331, 15108, 15804, 22662, 45324, 552701, 1105402, 1658103, 2210804, 3316206, 4974309, 6632412, 9948618, 19897236]

約数ペア:

[(1, 19897236), (2, 9948618), (3, 6632412), (4, 4974309), (6, 3316206), (9, 2210804), (12, 1658103), (18, 1105402), (36, 552701), (439, 45324), (878, 22662), (1259, 15804), (1317, 15108), (1756, 11331), (2518, 7902), (2634, 7554), (3777, 5268), (3951, 5036)]