19197080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1$

素因数の和:181

約数の個数: 128

約数和(自身を含む): 54172800

約数和(自身を除く): 34975720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 37, 40, 56, 68, 70, 74, 85, 109, 119, 136, 140, 148, 170, 185, 218, 238, 259, 280, 296, 340, 370, 436, 476, 518, 545, 595, 629, 680, 740, 763, 872, 952, 1036, 1090, 1190, 1258, 1295, 1480, 1526, 1853, 2072, 2180, 2380, 2516, 2590, 3052, 3145, 3706, 3815, 4033, 4360, 4403, 4760, 5032, 5180, 6104, 6290, 7412, 7630, 8066, 8806, 9265, 10360, 12580, 12971, 14824, 15260, 16132, 17612, 18530, 20165, 22015, 25160, 25942, 28231, 30520, 32264, 35224, 37060, 40330, 44030, 51884, 56462, 64855, 68561, 74120, 80660, 88060, 103768, 112924, 129710, 137122, 141155, 161320, 176120, 225848, 259420, 274244, 282310, 342805, 479927, 518840, 548488, 564620, 685610, 959854, 1129240, 1371220, 1919708, 2399635, 2742440, 3839416, 4799270, 9598540, 19197080]

約数ペア:

[(1, 19197080), (2, 9598540), (4, 4799270), (5, 3839416), (7, 2742440), (8, 2399635), (10, 1919708), (14, 1371220), (17, 1129240), (20, 959854), (28, 685610), (34, 564620), (35, 548488), (37, 518840), (40, 479927), (56, 342805), (68, 282310), (70, 274244), (74, 259420), (85, 225848), (109, 176120), (119, 161320), (136, 141155), (140, 137122), (148, 129710), (170, 112924), (185, 103768), (218, 88060), (238, 80660), (259, 74120), (280, 68561), (296, 64855), (340, 56462), (370, 51884), (436, 44030), (476, 40330), (518, 37060), (545, 35224), (595, 32264), (629, 30520), (680, 28231), (740, 25942), (763, 25160), (872, 22015), (952, 20165), (1036, 18530), (1090, 17612), (1190, 16132), (1258, 15260), (1295, 14824), (1480, 12971), (1526, 12580), (1853, 10360), (2072, 9265), (2180, 8806), (2380, 8066), (2516, 7630), (2590, 7412), (3052, 6290), (3145, 6104), (3706, 5180), (3815, 5032), (4033, 4760), (4360, 4403)]