18890718

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1319}}^1$

素因数の和:1373

約数の個数: 64

約数和(自身を含む): 48660480

約数和(自身を除く): 29769762

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 31, 33, 42, 62, 66, 77, 93, 154, 186, 217, 231, 341, 434, 462, 651, 682, 1023, 1302, 1319, 2046, 2387, 2638, 3957, 4774, 7161, 7914, 9233, 14322, 14509, 18466, 27699, 29018, 40889, 43527, 55398, 81778, 87054, 101563, 122667, 203126, 245334, 286223, 304689, 449779, 572446, 609378, 858669, 899558, 1349337, 1717338, 2698674, 3148453, 6296906, 9445359, 18890718]

約数ペア:

[(1, 18890718), (2, 9445359), (3, 6296906), (6, 3148453), (7, 2698674), (11, 1717338), (14, 1349337), (21, 899558), (22, 858669), (31, 609378), (33, 572446), (42, 449779), (62, 304689), (66, 286223), (77, 245334), (93, 203126), (154, 122667), (186, 101563), (217, 87054), (231, 81778), (341, 55398), (434, 43527), (462, 40889), (651, 29018), (682, 27699), (1023, 18466), (1302, 14509), (1319, 14322), (2046, 9233), (2387, 7914), (2638, 7161), (3957, 4774)]