18391884

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{373}}^1\times {\mathrm{587}}^1$

素因数の和:974

約数の個数: 48

約数和(自身を含む): 49260288

約数和(自身を除く): 30868404

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 373, 587, 746, 1119, 1174, 1492, 1761, 2238, 2348, 2611, 3522, 4109, 4476, 5222, 7044, 7833, 8218, 10444, 12327, 15666, 16436, 24654, 31332, 49308, 218951, 437902, 656853, 875804, 1313706, 1532657, 2627412, 3065314, 4597971, 6130628, 9195942, 18391884]

約数ペア:

[(1, 18391884), (2, 9195942), (3, 6130628), (4, 4597971), (6, 3065314), (7, 2627412), (12, 1532657), (14, 1313706), (21, 875804), (28, 656853), (42, 437902), (84, 218951), (373, 49308), (587, 31332), (746, 24654), (1119, 16436), (1174, 15666), (1492, 12327), (1761, 10444), (2238, 8218), (2348, 7833), (2611, 7044), (3522, 5222), (4109, 4476)]