16534940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{821}}^1$

素因数の和:902

約数の個数: 48

約数和(自身を含む): 37285920

約数和(自身を除く): 20750980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 53, 76, 95, 106, 190, 212, 265, 380, 530, 821, 1007, 1060, 1642, 2014, 3284, 4028, 4105, 5035, 8210, 10070, 15599, 16420, 20140, 31198, 43513, 62396, 77995, 87026, 155990, 174052, 217565, 311980, 435130, 826747, 870260, 1653494, 3306988, 4133735, 8267470, 16534940]

約数ペア:

[(1, 16534940), (2, 8267470), (4, 4133735), (5, 3306988), (10, 1653494), (19, 870260), (20, 826747), (38, 435130), (53, 311980), (76, 217565), (95, 174052), (106, 155990), (190, 87026), (212, 77995), (265, 62396), (380, 43513), (530, 31198), (821, 20140), (1007, 16420), (1060, 15599), (1642, 10070), (2014, 8210), (3284, 5035), (4028, 4105)]