18808272

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{397}}^1$

素因数の和:465

約数の個数: 120

約数和(自身を含む): 61591296

約数和(自身を除く): 42783024

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 47, 48, 56, 63, 72, 84, 94, 112, 126, 141, 144, 168, 188, 252, 282, 329, 336, 376, 397, 423, 504, 564, 658, 752, 794, 846, 987, 1008, 1128, 1191, 1316, 1588, 1692, 1974, 2256, 2382, 2632, 2779, 2961, 3176, 3384, 3573, 3948, 4764, 5264, 5558, 5922, 6352, 6768, 7146, 7896, 8337, 9528, 11116, 11844, 14292, 15792, 16674, 18659, 19056, 22232, 23688, 25011, 28584, 33348, 37318, 44464, 47376, 50022, 55977, 57168, 66696, 74636, 100044, 111954, 130613, 133392, 149272, 167931, 200088, 223908, 261226, 298544, 335862, 391839, 400176, 447816, 522452, 671724, 783678, 895632, 1044904, 1175517, 1343448, 1567356, 2089808, 2351034, 2686896, 3134712, 4702068, 6269424, 9404136, 18808272]

約数ペア:

[(1, 18808272), (2, 9404136), (3, 6269424), (4, 4702068), (6, 3134712), (7, 2686896), (8, 2351034), (9, 2089808), (12, 1567356), (14, 1343448), (16, 1175517), (18, 1044904), (21, 895632), (24, 783678), (28, 671724), (36, 522452), (42, 447816), (47, 400176), (48, 391839), (56, 335862), (63, 298544), (72, 261226), (84, 223908), (94, 200088), (112, 167931), (126, 149272), (141, 133392), (144, 130613), (168, 111954), (188, 100044), (252, 74636), (282, 66696), (329, 57168), (336, 55977), (376, 50022), (397, 47376), (423, 44464), (504, 37318), (564, 33348), (658, 28584), (752, 25011), (794, 23688), (846, 22232), (987, 19056), (1008, 18659), (1128, 16674), (1191, 15792), (1316, 14292), (1588, 11844), (1692, 11116), (1974, 9528), (2256, 8337), (2382, 7896), (2632, 7146), (2779, 6768), (2961, 6352), (3176, 5922), (3384, 5558), (3573, 5264), (3948, 4764)]