19420500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{11}}^2\times {\mathrm{107}}^1$

素因数の和:151

約数の個数: 144

約数和(自身を含む): 62741952

約数和(自身を除く): 43321452

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 25, 30, 33, 44, 50, 55, 60, 66, 75, 100, 107, 110, 121, 125, 132, 150, 165, 214, 220, 242, 250, 275, 300, 321, 330, 363, 375, 428, 484, 500, 535, 550, 605, 642, 660, 726, 750, 825, 1070, 1100, 1177, 1210, 1284, 1375, 1452, 1500, 1605, 1650, 1815, 2140, 2354, 2420, 2675, 2750, 3025, 3210, 3300, 3531, 3630, 4125, 4708, 5350, 5500, 5885, 6050, 6420, 7062, 7260, 8025, 8250, 9075, 10700, 11770, 12100, 12947, 13375, 14124, 15125, 16050, 16500, 17655, 18150, 23540, 25894, 26750, 29425, 30250, 32100, 35310, 36300, 38841, 40125, 45375, 51788, 53500, 58850, 60500, 64735, 70620, 77682, 80250, 88275, 90750, 117700, 129470, 147125, 155364, 160500, 176550, 181500, 194205, 258940, 294250, 323675, 353100, 388410, 441375, 588500, 647350, 776820, 882750, 971025, 1294700, 1618375, 1765500, 1942050, 3236750, 3884100, 4855125, 6473500, 9710250, 19420500]

約数ペア:

[(1, 19420500), (2, 9710250), (3, 6473500), (4, 4855125), (5, 3884100), (6, 3236750), (10, 1942050), (11, 1765500), (12, 1618375), (15, 1294700), (20, 971025), (22, 882750), (25, 776820), (30, 647350), (33, 588500), (44, 441375), (50, 388410), (55, 353100), (60, 323675), (66, 294250), (75, 258940), (100, 194205), (107, 181500), (110, 176550), (121, 160500), (125, 155364), (132, 147125), (150, 129470), (165, 117700), (214, 90750), (220, 88275), (242, 80250), (250, 77682), (275, 70620), (300, 64735), (321, 60500), (330, 58850), (363, 53500), (375, 51788), (428, 45375), (484, 40125), (500, 38841), (535, 36300), (550, 35310), (605, 32100), (642, 30250), (660, 29425), (726, 26750), (750, 25894), (825, 23540), (1070, 18150), (1100, 17655), (1177, 16500), (1210, 16050), (1284, 15125), (1375, 14124), (1452, 13375), (1500, 12947), (1605, 12100), (1650, 11770), (1815, 10700), (2140, 9075), (2354, 8250), (2420, 8025), (2675, 7260), (2750, 7062), (3025, 6420), (3210, 6050), (3300, 5885), (3531, 5500), (3630, 5350), (4125, 4708)]