19885750

素因数分解:

$2^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{4679}}^1$

素因数の和:4713

約数の個数: 32

約数和(自身を含む): 39424320

約数和(自身を除く): 19538570

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 125, 170, 250, 425, 850, 2125, 4250, 4679, 9358, 23395, 46790, 79543, 116975, 159086, 233950, 397715, 584875, 795430, 1169750, 1988575, 3977150, 9942875, 19885750]

約数ペア:

[(1, 19885750), (2, 9942875), (5, 3977150), (10, 1988575), (17, 1169750), (25, 795430), (34, 584875), (50, 397715), (85, 233950), (125, 159086), (170, 116975), (250, 79543), (425, 46790), (850, 23395), (2125, 9358), (4250, 4679)]