17980970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{4211}}^1$

素因数の和:4286

約数の個数: 32

約数和(自身を含む): 37604736

約数和(自身を除く): 19623766

約数列:

[1, 2, 5, 7, 10, 14, 35, 61, 70, 122, 305, 427, 610, 854, 2135, 4211, 4270, 8422, 21055, 29477, 42110, 58954, 147385, 256871, 294770, 513742, 1284355, 1798097, 2568710, 3596194, 8990485, 17980970]

約数ペア:

[(1, 17980970), (2, 8990485), (5, 3596194), (7, 2568710), (10, 1798097), (14, 1284355), (35, 513742), (61, 294770), (70, 256871), (122, 147385), (305, 58954), (427, 42110), (610, 29477), (854, 21055), (2135, 8422), (4211, 4270)]