19120437

素因数分解:

$3^2\times 7^2\times {\mathrm{191}}^1\times {\mathrm{227}}^1$

素因数の和:438

約数の個数: 36

約数和(自身を含む): 32438016

約数和(自身を除く): 13317579

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 191, 227, 441, 573, 681, 1337, 1589, 1719, 2043, 4011, 4767, 9359, 11123, 12033, 14301, 28077, 33369, 43357, 84231, 100107, 130071, 303499, 390213, 910497, 2124493, 2731491, 6373479, 19120437]

約数ペア:

[(1, 19120437), (3, 6373479), (7, 2731491), (9, 2124493), (21, 910497), (49, 390213), (63, 303499), (147, 130071), (191, 100107), (227, 84231), (441, 43357), (573, 33369), (681, 28077), (1337, 14301), (1589, 12033), (1719, 11123), (2043, 9359), (4011, 4767)]