19387500

素因数分解:

$2^2\times 3^1\times 5^5\times {\mathrm{11}}^1\times {\mathrm{47}}^1$

素因数の和:90

約数の個数: 144

約数和(自身を含む): 62995968

約数和(自身を除く): 43608468

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 25, 30, 33, 44, 47, 50, 55, 60, 66, 75, 94, 100, 110, 125, 132, 141, 150, 165, 188, 220, 235, 250, 275, 282, 300, 330, 375, 470, 500, 517, 550, 564, 625, 660, 705, 750, 825, 940, 1034, 1100, 1175, 1250, 1375, 1410, 1500, 1551, 1650, 1875, 2068, 2350, 2500, 2585, 2750, 2820, 3102, 3125, 3300, 3525, 3750, 4125, 4700, 5170, 5500, 5875, 6204, 6250, 6875, 7050, 7500, 7755, 8250, 9375, 10340, 11750, 12500, 12925, 13750, 14100, 15510, 16500, 17625, 18750, 20625, 23500, 25850, 27500, 29375, 31020, 34375, 35250, 37500, 38775, 41250, 51700, 58750, 64625, 68750, 70500, 77550, 82500, 88125, 103125, 117500, 129250, 137500, 146875, 155100, 176250, 193875, 206250, 258500, 293750, 323125, 352500, 387750, 412500, 440625, 587500, 646250, 775500, 881250, 969375, 1292500, 1615625, 1762500, 1938750, 3231250, 3877500, 4846875, 6462500, 9693750, 19387500]

約数ペア:

[(1, 19387500), (2, 9693750), (3, 6462500), (4, 4846875), (5, 3877500), (6, 3231250), (10, 1938750), (11, 1762500), (12, 1615625), (15, 1292500), (20, 969375), (22, 881250), (25, 775500), (30, 646250), (33, 587500), (44, 440625), (47, 412500), (50, 387750), (55, 352500), (60, 323125), (66, 293750), (75, 258500), (94, 206250), (100, 193875), (110, 176250), (125, 155100), (132, 146875), (141, 137500), (150, 129250), (165, 117500), (188, 103125), (220, 88125), (235, 82500), (250, 77550), (275, 70500), (282, 68750), (300, 64625), (330, 58750), (375, 51700), (470, 41250), (500, 38775), (517, 37500), (550, 35250), (564, 34375), (625, 31020), (660, 29375), (705, 27500), (750, 25850), (825, 23500), (940, 20625), (1034, 18750), (1100, 17625), (1175, 16500), (1250, 15510), (1375, 14100), (1410, 13750), (1500, 12925), (1551, 12500), (1650, 11750), (1875, 10340), (2068, 9375), (2350, 8250), (2500, 7755), (2585, 7500), (2750, 7050), (2820, 6875), (3102, 6250), (3125, 6204), (3300, 5875), (3525, 5500), (3750, 5170), (4125, 4700)]