19835940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19447}}^1$

素因数の和:19476

約数の個数: 48

約数和(自身を含む): 58810752

約数和(自身を除く): 38974812

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 19447, 38894, 58341, 77788, 97235, 116682, 194470, 233364, 291705, 330599, 388940, 583410, 661198, 991797, 1166820, 1322396, 1652995, 1983594, 3305990, 3967188, 4958985, 6611980, 9917970, 19835940]

約数ペア:

[(1, 19835940), (2, 9917970), (3, 6611980), (4, 4958985), (5, 3967188), (6, 3305990), (10, 1983594), (12, 1652995), (15, 1322396), (17, 1166820), (20, 991797), (30, 661198), (34, 583410), (51, 388940), (60, 330599), (68, 291705), (85, 233364), (102, 194470), (170, 116682), (204, 97235), (255, 77788), (340, 58341), (510, 38894), (1020, 19447)]