19639600

素因数分解:

$2^4\times 5^2\times {\mathrm{37}}^1\times {\mathrm{1327}}^1$

素因数の和:1382

約数の個数: 60

約数和(自身を含む): 48495904

約数和(自身を除く): 28856304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 37, 40, 50, 74, 80, 100, 148, 185, 200, 296, 370, 400, 592, 740, 925, 1327, 1480, 1850, 2654, 2960, 3700, 5308, 6635, 7400, 10616, 13270, 14800, 21232, 26540, 33175, 49099, 53080, 66350, 98198, 106160, 132700, 196396, 245495, 265400, 392792, 490990, 530800, 785584, 981980, 1227475, 1963960, 2454950, 3927920, 4909900, 9819800, 19639600]

約数ペア:

[(1, 19639600), (2, 9819800), (4, 4909900), (5, 3927920), (8, 2454950), (10, 1963960), (16, 1227475), (20, 981980), (25, 785584), (37, 530800), (40, 490990), (50, 392792), (74, 265400), (80, 245495), (100, 196396), (148, 132700), (185, 106160), (200, 98198), (296, 66350), (370, 53080), (400, 49099), (592, 33175), (740, 26540), (925, 21232), (1327, 14800), (1480, 13270), (1850, 10616), (2654, 7400), (2960, 6635), (3700, 5308)]