18081910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1021}}^1$

素因数の和:1069

約数の個数: 64

約数和(自身を含む): 42384384

約数和(自身を除く): 24302474

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 23, 35, 46, 55, 70, 77, 110, 115, 154, 161, 230, 253, 322, 385, 506, 770, 805, 1021, 1265, 1610, 1771, 2042, 2530, 3542, 5105, 7147, 8855, 10210, 11231, 14294, 17710, 22462, 23483, 35735, 46966, 56155, 71470, 78617, 112310, 117415, 157234, 164381, 234830, 258313, 328762, 393085, 516626, 786170, 821905, 1291565, 1643810, 1808191, 2583130, 3616382, 9040955, 18081910]

約数ペア:

[(1, 18081910), (2, 9040955), (5, 3616382), (7, 2583130), (10, 1808191), (11, 1643810), (14, 1291565), (22, 821905), (23, 786170), (35, 516626), (46, 393085), (55, 328762), (70, 258313), (77, 234830), (110, 164381), (115, 157234), (154, 117415), (161, 112310), (230, 78617), (253, 71470), (322, 56155), (385, 46966), (506, 35735), (770, 23483), (805, 22462), (1021, 17710), (1265, 14294), (1610, 11231), (1771, 10210), (2042, 8855), (2530, 7147), (3542, 5105)]