19100140

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{487}}^1$

素因数の和:586

約数の個数: 48

約数和(自身を含む): 42057792

約数和(自身を除く): 22957652

約数列:

[1, 2, 4, 5, 10, 20, 37, 53, 74, 106, 148, 185, 212, 265, 370, 487, 530, 740, 974, 1060, 1948, 1961, 2435, 3922, 4870, 7844, 9740, 9805, 18019, 19610, 25811, 36038, 39220, 51622, 72076, 90095, 103244, 129055, 180190, 258110, 360380, 516220, 955007, 1910014, 3820028, 4775035, 9550070, 19100140]

約数ペア:

[(1, 19100140), (2, 9550070), (4, 4775035), (5, 3820028), (10, 1910014), (20, 955007), (37, 516220), (53, 360380), (74, 258110), (106, 180190), (148, 129055), (185, 103244), (212, 90095), (265, 72076), (370, 51622), (487, 39220), (530, 36038), (740, 25811), (974, 19610), (1060, 18019), (1948, 9805), (1961, 9740), (2435, 7844), (3922, 4870)]