18643038

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{409}}^1$

素因数の和:592

約数の個数: 32

約数和(自身を含む): 38257920

約数和(自身を除く): 19614882

約数列:

[1, 2, 3, 6, 71, 107, 142, 213, 214, 321, 409, 426, 642, 818, 1227, 2454, 7597, 15194, 22791, 29039, 43763, 45582, 58078, 87117, 87526, 131289, 174234, 262578, 3107173, 6214346, 9321519, 18643038]

約数ペア:

[(1, 18643038), (2, 9321519), (3, 6214346), (6, 3107173), (71, 262578), (107, 174234), (142, 131289), (213, 87526), (214, 87117), (321, 58078), (409, 45582), (426, 43763), (642, 29039), (818, 22791), (1227, 15194), (2454, 7597)]