18703570132

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{19699}}^1$

素因数の和:19797

約数の個数: 72

約数和(自身を含む): 38341716000

約数和(自身を除く): 19638145868

約数列:

[1, 2, 4, 13, 19, 26, 31, 38, 52, 62, 76, 124, 247, 403, 494, 589, 806, 961, 988, 1178, 1612, 1922, 2356, 3844, 7657, 12493, 15314, 18259, 19699, 24986, 30628, 36518, 39398, 49972, 73036, 78796, 237367, 256087, 374281, 474734, 512174, 610669, 748562, 949468, 1024348, 1221338, 1497124, 2442676, 4865653, 7938697, 9731306, 11602711, 15877394, 18930739, 19462612, 23205422, 31754788, 37861478, 46410844, 75722956, 150835243, 246099607, 301670486, 359684041, 492199214, 603340972, 719368082, 984398428, 1438736164, 4675892533, 9351785066, 18703570132]

約数ペア:

[(1, 18703570132), (2, 9351785066), (4, 4675892533), (13, 1438736164), (19, 984398428), (26, 719368082), (31, 603340972), (38, 492199214), (52, 359684041), (62, 301670486), (76, 246099607), (124, 150835243), (247, 75722956), (403, 46410844), (494, 37861478), (589, 31754788), (806, 23205422), (961, 19462612), (988, 18930739), (1178, 15877394), (1612, 11602711), (1922, 9731306), (2356, 7938697), (3844, 4865653), (7657, 2442676), (12493, 1497124), (15314, 1221338), (18259, 1024348), (19699, 949468), (24986, 748562), (30628, 610669), (36518, 512174), (39398, 474734), (49972, 374281), (73036, 256087), (78796, 237367)]