18287918

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{653}}^1$

素因数の和:752

約数の個数: 32

約数和(自身を含む): 32019840

約数和(自身を除く): 13731922

約数列:

[1, 2, 11, 19, 22, 38, 67, 134, 209, 418, 653, 737, 1273, 1306, 1474, 2546, 7183, 12407, 14003, 14366, 24814, 28006, 43751, 87502, 136477, 272954, 481261, 831269, 962522, 1662538, 9143959, 18287918]

約数ペア:

[(1, 18287918), (2, 9143959), (11, 1662538), (19, 962522), (22, 831269), (38, 481261), (67, 272954), (134, 136477), (209, 87502), (418, 43751), (653, 28006), (737, 24814), (1273, 14366), (1306, 14003), (1474, 12407), (2546, 7183)]