19681410

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1$

素因数の和:220

約数の個数: 128

約数和(自身を含む): 59097600

約数和(自身を除く): 39416190

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 17, 21, 30, 34, 35, 37, 42, 51, 70, 74, 85, 102, 105, 111, 119, 149, 170, 185, 210, 222, 238, 255, 259, 298, 357, 370, 447, 510, 518, 555, 595, 629, 714, 745, 777, 894, 1043, 1110, 1190, 1258, 1295, 1490, 1554, 1785, 1887, 2086, 2235, 2533, 2590, 3129, 3145, 3570, 3774, 3885, 4403, 4470, 5066, 5215, 5513, 6258, 6290, 7599, 7770, 8806, 9435, 10430, 11026, 12665, 13209, 15198, 15645, 16539, 17731, 18870, 22015, 25330, 26418, 27565, 31290, 33078, 35462, 37995, 38591, 44030, 53193, 55130, 66045, 75990, 77182, 82695, 88655, 93721, 106386, 115773, 132090, 165390, 177310, 187442, 192955, 231546, 265965, 281163, 385910, 468605, 531930, 562326, 578865, 656047, 937210, 1157730, 1312094, 1405815, 1968141, 2811630, 3280235, 3936282, 6560470, 9840705, 19681410]

約数ペア:

[(1, 19681410), (2, 9840705), (3, 6560470), (5, 3936282), (6, 3280235), (7, 2811630), (10, 1968141), (14, 1405815), (15, 1312094), (17, 1157730), (21, 937210), (30, 656047), (34, 578865), (35, 562326), (37, 531930), (42, 468605), (51, 385910), (70, 281163), (74, 265965), (85, 231546), (102, 192955), (105, 187442), (111, 177310), (119, 165390), (149, 132090), (170, 115773), (185, 106386), (210, 93721), (222, 88655), (238, 82695), (255, 77182), (259, 75990), (298, 66045), (357, 55130), (370, 53193), (447, 44030), (510, 38591), (518, 37995), (555, 35462), (595, 33078), (629, 31290), (714, 27565), (745, 26418), (777, 25330), (894, 22015), (1043, 18870), (1110, 17731), (1190, 16539), (1258, 15645), (1295, 15198), (1490, 13209), (1554, 12665), (1785, 11026), (1887, 10430), (2086, 9435), (2235, 8806), (2533, 7770), (2590, 7599), (3129, 6290), (3145, 6258), (3570, 5513), (3774, 5215), (3885, 5066), (4403, 4470)]