18873796970

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{941}}^1\times {\mathrm{40933}}^1$

素因数の和:41895

約数の個数: 48

約数和(自身を含む): 39562383528

約数和(自身を除く): 20688586558

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 941, 1882, 4705, 6587, 9410, 13174, 32935, 40933, 46109, 65870, 81866, 92218, 204665, 230545, 286531, 409330, 461090, 573062, 1432655, 2005717, 2865310, 4011434, 10028585, 20057170, 38517953, 77035906, 192589765, 269625671, 385179530, 539251342, 1348128355, 1887379697, 2696256710, 3774759394, 9436898485, 18873796970]

約数ペア:

[(1, 18873796970), (2, 9436898485), (5, 3774759394), (7, 2696256710), (10, 1887379697), (14, 1348128355), (35, 539251342), (49, 385179530), (70, 269625671), (98, 192589765), (245, 77035906), (490, 38517953), (941, 20057170), (1882, 10028585), (4705, 4011434), (6587, 2865310), (9410, 2005717), (13174, 1432655), (32935, 573062), (40933, 461090), (46109, 409330), (65870, 286531), (81866, 230545), (92218, 204665)]