18645858

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1223}}^1$

素因数の和:1260

約数の個数: 72

約数和(自身を含む): 50791104

約数和(自身を除く): 32145246

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 63, 66, 77, 99, 121, 126, 154, 198, 231, 242, 363, 462, 693, 726, 847, 1089, 1223, 1386, 1694, 2178, 2446, 2541, 3669, 5082, 7338, 7623, 8561, 11007, 13453, 15246, 17122, 22014, 25683, 26906, 40359, 51366, 77049, 80718, 94171, 121077, 147983, 154098, 188342, 242154, 282513, 295966, 443949, 565026, 847539, 887898, 1035881, 1331847, 1695078, 2071762, 2663694, 3107643, 6215286, 9322929, 18645858]

約数ペア:

[(1, 18645858), (2, 9322929), (3, 6215286), (6, 3107643), (7, 2663694), (9, 2071762), (11, 1695078), (14, 1331847), (18, 1035881), (21, 887898), (22, 847539), (33, 565026), (42, 443949), (63, 295966), (66, 282513), (77, 242154), (99, 188342), (121, 154098), (126, 147983), (154, 121077), (198, 94171), (231, 80718), (242, 77049), (363, 51366), (462, 40359), (693, 26906), (726, 25683), (847, 22014), (1089, 17122), (1223, 15246), (1386, 13453), (1694, 11007), (2178, 8561), (2446, 7623), (2541, 7338), (3669, 5082)]