18974670

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4423}}^1$

素因数の和:4457

約数の個数: 64

約数和(自身を含む): 53512704

約数和(自身を除く): 34538034

約数列:

[1, 2, 3, 5, 6, 10, 11, 13, 15, 22, 26, 30, 33, 39, 55, 65, 66, 78, 110, 130, 143, 165, 195, 286, 330, 390, 429, 715, 858, 1430, 2145, 4290, 4423, 8846, 13269, 22115, 26538, 44230, 48653, 57499, 66345, 97306, 114998, 132690, 145959, 172497, 243265, 287495, 291918, 344994, 486530, 574990, 632489, 729795, 862485, 1264978, 1459590, 1724970, 1897467, 3162445, 3794934, 6324890, 9487335, 18974670]

約数ペア:

[(1, 18974670), (2, 9487335), (3, 6324890), (5, 3794934), (6, 3162445), (10, 1897467), (11, 1724970), (13, 1459590), (15, 1264978), (22, 862485), (26, 729795), (30, 632489), (33, 574990), (39, 486530), (55, 344994), (65, 291918), (66, 287495), (78, 243265), (110, 172497), (130, 145959), (143, 132690), (165, 114998), (195, 97306), (286, 66345), (330, 57499), (390, 48653), (429, 44230), (715, 26538), (858, 22115), (1430, 13269), (2145, 8846), (4290, 4423)]