19942566

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{1039}}^1$

素因数の和:1508

約数の個数: 32

約数和(自身を含む): 45726720

約数和(自身を除く): 25784154

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 457, 914, 1039, 1371, 2078, 2742, 3117, 3199, 6234, 6398, 7273, 9597, 14546, 19194, 21819, 43638, 474823, 949646, 1424469, 2848938, 3323761, 6647522, 9971283, 19942566]

約数ペア:

[(1, 19942566), (2, 9971283), (3, 6647522), (6, 3323761), (7, 2848938), (14, 1424469), (21, 949646), (42, 474823), (457, 43638), (914, 21819), (1039, 19194), (1371, 14546), (2078, 9597), (2742, 7273), (3117, 6398), (3199, 6234)]