19419746

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{359}}^1$

素因数の和:458

約数の個数: 32

約数和(自身を含む): 32503680

約数和(自身を除く): 13083934

約数列:

[1, 2, 17, 34, 37, 43, 74, 86, 359, 629, 718, 731, 1258, 1462, 1591, 3182, 6103, 12206, 13283, 15437, 26566, 27047, 30874, 54094, 225811, 262429, 451622, 524858, 571169, 1142338, 9709873, 19419746]

約数ペア:

[(1, 19419746), (2, 9709873), (17, 1142338), (34, 571169), (37, 524858), (43, 451622), (74, 262429), (86, 225811), (359, 54094), (629, 30874), (718, 27047), (731, 26566), (1258, 15437), (1462, 13283), (1591, 12206), (3182, 6103)]