18549358

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{167}}^1$

素因数の和:304

約数の個数: 32

約数和(自身を含む): 30643200

約数和(自身を除く): 12093842

約数列:

[1, 2, 19, 37, 38, 74, 79, 158, 167, 334, 703, 1406, 1501, 2923, 3002, 3173, 5846, 6179, 6346, 12358, 13193, 26386, 55537, 111074, 117401, 234802, 250667, 488141, 501334, 976282, 9274679, 18549358]

約数ペア:

[(1, 18549358), (2, 9274679), (19, 976282), (37, 501334), (38, 488141), (74, 250667), (79, 234802), (158, 117401), (167, 111074), (334, 55537), (703, 26386), (1406, 13193), (1501, 12358), (2923, 6346), (3002, 6179), (3173, 5846)]