19843530

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{13499}}^1$

素因数の和:13523

約数の個数: 48

約数和(自身を含む): 55404000

約数和(自身を除く): 35560470

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 13499, 26998, 40497, 67495, 80994, 94493, 134990, 188986, 202485, 283479, 404970, 472465, 566958, 661451, 944930, 1322902, 1417395, 1984353, 2834790, 3307255, 3968706, 6614510, 9921765, 19843530]

約数ペア:

[(1, 19843530), (2, 9921765), (3, 6614510), (5, 3968706), (6, 3307255), (7, 2834790), (10, 1984353), (14, 1417395), (15, 1322902), (21, 944930), (30, 661451), (35, 566958), (42, 472465), (49, 404970), (70, 283479), (98, 202485), (105, 188986), (147, 134990), (210, 94493), (245, 80994), (294, 67495), (490, 40497), (735, 26998), (1470, 13499)]