18006010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{647}}^1$

素因数の和:699

約数の個数: 48

約数和(自身を含む): 37231488

約数和(自身を除く): 19225478

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 121, 230, 242, 253, 506, 605, 647, 1210, 1265, 1294, 2530, 2783, 3235, 5566, 6470, 7117, 13915, 14234, 14881, 27830, 29762, 35585, 71170, 74405, 78287, 148810, 156574, 163691, 327382, 391435, 782870, 818455, 1636910, 1800601, 3601202, 9003005, 18006010]

約数ペア:

[(1, 18006010), (2, 9003005), (5, 3601202), (10, 1800601), (11, 1636910), (22, 818455), (23, 782870), (46, 391435), (55, 327382), (110, 163691), (115, 156574), (121, 148810), (230, 78287), (242, 74405), (253, 71170), (506, 35585), (605, 29762), (647, 27830), (1210, 14881), (1265, 14234), (1294, 13915), (2530, 7117), (2783, 6470), (3235, 5566)]