19954430

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{1097}}^1$

素因数の和:1228

約数の個数: 32

約数和(自身を含む): 38421216

約数和(自身を除く): 18466786

約数列:

[1, 2, 5, 10, 17, 34, 85, 107, 170, 214, 535, 1070, 1097, 1819, 2194, 3638, 5485, 9095, 10970, 18190, 18649, 37298, 93245, 117379, 186490, 234758, 586895, 1173790, 1995443, 3990886, 9977215, 19954430]

約数ペア:

[(1, 19954430), (2, 9977215), (5, 3990886), (10, 1995443), (17, 1173790), (34, 586895), (85, 234758), (107, 186490), (170, 117379), (214, 93245), (535, 37298), (1070, 18649), (1097, 18190), (1819, 10970), (2194, 9095), (3638, 5485)]