19814940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{110083}}^1$

素因数の和:110098

約数の個数: 36

約数和(自身を含む): 60105864

約数和(自身を除く): 40290924

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 110083, 220166, 330249, 440332, 550415, 660498, 990747, 1100830, 1320996, 1651245, 1981494, 2201660, 3302490, 3962988, 4953735, 6604980, 9907470, 19814940]

約数ペア:

[(1, 19814940), (2, 9907470), (3, 6604980), (4, 4953735), (5, 3962988), (6, 3302490), (9, 2201660), (10, 1981494), (12, 1651245), (15, 1320996), (18, 1100830), (20, 990747), (30, 660498), (36, 550415), (45, 440332), (60, 330249), (90, 220166), (180, 110083)]