18767960

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{5653}}^1$

素因数の和:5747

約数の個数: 32

約数和(自身を含む): 42744240

約数和(自身を除く): 23976280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 5653, 11306, 22612, 28265, 45224, 56530, 113060, 226120, 469199, 938398, 1876796, 2345995, 3753592, 4691990, 9383980, 18767960]

約数ペア:

[(1, 18767960), (2, 9383980), (4, 4691990), (5, 3753592), (8, 2345995), (10, 1876796), (20, 938398), (40, 469199), (83, 226120), (166, 113060), (332, 56530), (415, 45224), (664, 28265), (830, 22612), (1660, 11306), (3320, 5653)]