19815300

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{41}}^1\times {\mathrm{179}}^1$

素因数の和:243

約数の個数: 144

約数和(自身を含む): 65620800

約数和(自身を除く): 45805500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 41, 45, 50, 54, 60, 75, 82, 90, 100, 108, 123, 135, 150, 164, 179, 180, 205, 225, 246, 270, 300, 358, 369, 410, 450, 492, 537, 540, 615, 675, 716, 738, 820, 895, 900, 1025, 1074, 1107, 1230, 1350, 1476, 1611, 1790, 1845, 2050, 2148, 2214, 2460, 2685, 2700, 3075, 3222, 3580, 3690, 4100, 4428, 4475, 4833, 5370, 5535, 6150, 6444, 7339, 7380, 8055, 8950, 9225, 9666, 10740, 11070, 12300, 13425, 14678, 16110, 17900, 18450, 19332, 22017, 22140, 24165, 26850, 27675, 29356, 32220, 36695, 36900, 40275, 44034, 48330, 53700, 55350, 66051, 73390, 80550, 88068, 96660, 110085, 110700, 120825, 132102, 146780, 161100, 183475, 198153, 220170, 241650, 264204, 330255, 366950, 396306, 440340, 483300, 550425, 660510, 733900, 792612, 990765, 1100850, 1321020, 1651275, 1981530, 2201700, 3302550, 3963060, 4953825, 6605100, 9907650, 19815300]

約数ペア:

[(1, 19815300), (2, 9907650), (3, 6605100), (4, 4953825), (5, 3963060), (6, 3302550), (9, 2201700), (10, 1981530), (12, 1651275), (15, 1321020), (18, 1100850), (20, 990765), (25, 792612), (27, 733900), (30, 660510), (36, 550425), (41, 483300), (45, 440340), (50, 396306), (54, 366950), (60, 330255), (75, 264204), (82, 241650), (90, 220170), (100, 198153), (108, 183475), (123, 161100), (135, 146780), (150, 132102), (164, 120825), (179, 110700), (180, 110085), (205, 96660), (225, 88068), (246, 80550), (270, 73390), (300, 66051), (358, 55350), (369, 53700), (410, 48330), (450, 44034), (492, 40275), (537, 36900), (540, 36695), (615, 32220), (675, 29356), (716, 27675), (738, 26850), (820, 24165), (895, 22140), (900, 22017), (1025, 19332), (1074, 18450), (1107, 17900), (1230, 16110), (1350, 14678), (1476, 13425), (1611, 12300), (1790, 11070), (1845, 10740), (2050, 9666), (2148, 9225), (2214, 8950), (2460, 8055), (2685, 7380), (2700, 7339), (3075, 6444), (3222, 6150), (3580, 5535), (3690, 5370), (4100, 4833), (4428, 4475)]