19796490

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{67}}^2$

素因数の和:161

約数の個数: 108

約数和(自身を含む): 60781266

約数和(自身を除く): 40984776

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 67, 70, 90, 98, 105, 126, 134, 147, 201, 210, 245, 294, 315, 335, 402, 441, 469, 490, 603, 630, 670, 735, 882, 938, 1005, 1206, 1407, 1470, 2010, 2205, 2345, 2814, 3015, 3283, 4221, 4410, 4489, 4690, 6030, 6566, 7035, 8442, 8978, 9849, 13467, 14070, 16415, 19698, 21105, 22445, 26934, 29547, 31423, 32830, 40401, 42210, 44890, 49245, 59094, 62846, 67335, 80802, 94269, 98490, 134670, 147735, 157115, 188538, 202005, 219961, 282807, 295470, 314230, 404010, 439922, 471345, 565614, 659883, 942690, 1099805, 1319766, 1414035, 1979649, 2199610, 2828070, 3299415, 3959298, 6598830, 9898245, 19796490]

約数ペア:

[(1, 19796490), (2, 9898245), (3, 6598830), (5, 3959298), (6, 3299415), (7, 2828070), (9, 2199610), (10, 1979649), (14, 1414035), (15, 1319766), (18, 1099805), (21, 942690), (30, 659883), (35, 565614), (42, 471345), (45, 439922), (49, 404010), (63, 314230), (67, 295470), (70, 282807), (90, 219961), (98, 202005), (105, 188538), (126, 157115), (134, 147735), (147, 134670), (201, 98490), (210, 94269), (245, 80802), (294, 67335), (315, 62846), (335, 59094), (402, 49245), (441, 44890), (469, 42210), (490, 40401), (603, 32830), (630, 31423), (670, 29547), (735, 26934), (882, 22445), (938, 21105), (1005, 19698), (1206, 16415), (1407, 14070), (1470, 13467), (2010, 9849), (2205, 8978), (2345, 8442), (2814, 7035), (3015, 6566), (3283, 6030), (4221, 4690), (4410, 4489)]