18895234

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1$

素因数の和:298

約数の個数: 32

約数和(自身を含む): 31190400

約数和(自身を除く): 12295166

約数列:

[1, 2, 19, 37, 38, 74, 89, 151, 178, 302, 703, 1406, 1691, 2869, 3293, 3382, 5587, 5738, 6586, 11174, 13439, 26878, 62567, 106153, 125134, 212306, 255341, 497243, 510682, 994486, 9447617, 18895234]

約数ペア:

[(1, 18895234), (2, 9447617), (19, 994486), (37, 510682), (38, 497243), (74, 255341), (89, 212306), (151, 125134), (178, 106153), (302, 62567), (703, 26878), (1406, 13439), (1691, 11174), (2869, 6586), (3293, 5738), (3382, 5587)]