19651800

素因数分解:

$2^3\times 3^1\times 5^2\times 7^1\times {\mathrm{4679}}^1$

素因数の和:4705

約数の個数: 96

約数和(自身を含む): 69638400

約数和(自身を除く): 49986600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 42, 50, 56, 60, 70, 75, 84, 100, 105, 120, 140, 150, 168, 175, 200, 210, 280, 300, 350, 420, 525, 600, 700, 840, 1050, 1400, 2100, 4200, 4679, 9358, 14037, 18716, 23395, 28074, 32753, 37432, 46790, 56148, 65506, 70185, 93580, 98259, 112296, 116975, 131012, 140370, 163765, 187160, 196518, 233950, 262024, 280740, 327530, 350925, 393036, 467900, 491295, 561480, 655060, 701850, 786072, 818825, 935800, 982590, 1310120, 1403700, 1637650, 1965180, 2456475, 2807400, 3275300, 3930360, 4912950, 6550600, 9825900, 19651800]

約数ペア:

[(1, 19651800), (2, 9825900), (3, 6550600), (4, 4912950), (5, 3930360), (6, 3275300), (7, 2807400), (8, 2456475), (10, 1965180), (12, 1637650), (14, 1403700), (15, 1310120), (20, 982590), (21, 935800), (24, 818825), (25, 786072), (28, 701850), (30, 655060), (35, 561480), (40, 491295), (42, 467900), (50, 393036), (56, 350925), (60, 327530), (70, 280740), (75, 262024), (84, 233950), (100, 196518), (105, 187160), (120, 163765), (140, 140370), (150, 131012), (168, 116975), (175, 112296), (200, 98259), (210, 93580), (280, 70185), (300, 65506), (350, 56148), (420, 46790), (525, 37432), (600, 32753), (700, 28074), (840, 23395), (1050, 18716), (1400, 14037), (2100, 9358), (4200, 4679)]