19449850

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{911}}^1$

素因数の和:991

約数の個数: 48

約数和(自身を含む): 42068736

約数和(自身を除く): 22618886

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 61, 70, 122, 175, 305, 350, 427, 610, 854, 911, 1525, 1822, 2135, 3050, 4270, 4555, 6377, 9110, 10675, 12754, 21350, 22775, 31885, 45550, 55571, 63770, 111142, 159425, 277855, 318850, 388997, 555710, 777994, 1389275, 1944985, 2778550, 3889970, 9724925, 19449850]

約数ペア:

[(1, 19449850), (2, 9724925), (5, 3889970), (7, 2778550), (10, 1944985), (14, 1389275), (25, 777994), (35, 555710), (50, 388997), (61, 318850), (70, 277855), (122, 159425), (175, 111142), (305, 63770), (350, 55571), (427, 45550), (610, 31885), (854, 22775), (911, 21350), (1525, 12754), (1822, 10675), (2135, 9110), (3050, 6377), (4270, 4555)]