18961430

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{4339}}^1$

素因数の和:4388

約数の個数: 32

約数和(自身を含む): 37497600

約数和(自身を除く): 18536170

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 95, 115, 190, 230, 437, 874, 2185, 4339, 4370, 8678, 21695, 43390, 82441, 99797, 164882, 199594, 412205, 498985, 824410, 997970, 1896143, 3792286, 9480715, 18961430]

約数ペア:

[(1, 18961430), (2, 9480715), (5, 3792286), (10, 1896143), (19, 997970), (23, 824410), (38, 498985), (46, 412205), (95, 199594), (115, 164882), (190, 99797), (230, 82441), (437, 43390), (874, 21695), (2185, 8678), (4339, 4370)]