19194770

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{911}}^1$

素因数の和:975

約数の個数: 48

約数和(自身を含む): 41171328

約数和(自身を除く): 21976558

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 49, 70, 86, 98, 215, 245, 301, 430, 490, 602, 911, 1505, 1822, 2107, 3010, 4214, 4555, 6377, 9110, 10535, 12754, 21070, 31885, 39173, 44639, 63770, 78346, 89278, 195865, 223195, 274211, 391730, 446390, 548422, 1371055, 1919477, 2742110, 3838954, 9597385, 19194770]

約数ペア:

[(1, 19194770), (2, 9597385), (5, 3838954), (7, 2742110), (10, 1919477), (14, 1371055), (35, 548422), (43, 446390), (49, 391730), (70, 274211), (86, 223195), (98, 195865), (215, 89278), (245, 78346), (301, 63770), (430, 44639), (490, 39173), (602, 31885), (911, 21070), (1505, 12754), (1822, 10535), (2107, 9110), (3010, 6377), (4214, 4555)]