18895588

素因数分解:

$2^2\times {\mathrm{29}}^2\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:240

約数の個数: 36

約数和(自身を含む): 35338212

約数和(自身を除く): 16442624

約数列:

[1, 2, 4, 29, 41, 58, 82, 116, 137, 164, 274, 548, 841, 1189, 1682, 2378, 3364, 3973, 4756, 5617, 7946, 11234, 15892, 22468, 34481, 68962, 115217, 137924, 162893, 230434, 325786, 460868, 651572, 4723897, 9447794, 18895588]

約数ペア:

[(1, 18895588), (2, 9447794), (4, 4723897), (29, 651572), (41, 460868), (58, 325786), (82, 230434), (116, 162893), (137, 137924), (164, 115217), (274, 68962), (548, 34481), (841, 22468), (1189, 15892), (1682, 11234), (2378, 7946), (3364, 5617), (3973, 4756)]