18221671536

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{644513}}^1$

素因数の和:644574

約数の個数: 80

約数和(自身を含む): 51148631040

約数和(自身を除く): 32926959504

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 31, 38, 48, 57, 62, 76, 93, 114, 124, 152, 186, 228, 248, 304, 372, 456, 496, 589, 744, 912, 1178, 1488, 1767, 2356, 3534, 4712, 7068, 9424, 14136, 28272, 644513, 1289026, 1933539, 2578052, 3867078, 5156104, 7734156, 10312208, 12245747, 15468312, 19979903, 24491494, 30936624, 36737241, 39959806, 48982988, 59939709, 73474482, 79919612, 97965976, 119879418, 146948964, 159839224, 195931952, 239758836, 293897928, 319678448, 379618157, 479517672, 587795856, 759236314, 959035344, 1138854471, 1518472628, 2277708942, 3036945256, 4555417884, 6073890512, 9110835768, 18221671536]

約数ペア:

[(1, 18221671536), (2, 9110835768), (3, 6073890512), (4, 4555417884), (6, 3036945256), (8, 2277708942), (12, 1518472628), (16, 1138854471), (19, 959035344), (24, 759236314), (31, 587795856), (38, 479517672), (48, 379618157), (57, 319678448), (62, 293897928), (76, 239758836), (93, 195931952), (114, 159839224), (124, 146948964), (152, 119879418), (186, 97965976), (228, 79919612), (248, 73474482), (304, 59939709), (372, 48982988), (456, 39959806), (496, 36737241), (589, 30936624), (744, 24491494), (912, 19979903), (1178, 15468312), (1488, 12245747), (1767, 10312208), (2356, 7734156), (3534, 5156104), (4712, 3867078), (7068, 2578052), (9424, 1933539), (14136, 1289026), (28272, 644513)]