19760994

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:284

約数の個数: 72

約数和(自身を含む): 48384336

約数和(自身を除く): 28623342

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 43, 66, 86, 99, 121, 129, 198, 211, 242, 258, 363, 387, 422, 473, 633, 726, 774, 946, 1089, 1266, 1419, 1899, 2178, 2321, 2838, 3798, 4257, 4642, 5203, 6963, 8514, 9073, 10406, 13926, 15609, 18146, 20889, 25531, 27219, 31218, 41778, 46827, 51062, 54438, 76593, 81657, 93654, 99803, 153186, 163314, 199606, 229779, 299409, 459558, 598818, 898227, 1097833, 1796454, 2195666, 3293499, 6586998, 9880497, 19760994]

約数ペア:

[(1, 19760994), (2, 9880497), (3, 6586998), (6, 3293499), (9, 2195666), (11, 1796454), (18, 1097833), (22, 898227), (33, 598818), (43, 459558), (66, 299409), (86, 229779), (99, 199606), (121, 163314), (129, 153186), (198, 99803), (211, 93654), (242, 81657), (258, 76593), (363, 54438), (387, 51062), (422, 46827), (473, 41778), (633, 31218), (726, 27219), (774, 25531), (946, 20889), (1089, 18146), (1266, 15609), (1419, 13926), (1899, 10406), (2178, 9073), (2321, 8514), (2838, 6963), (3798, 5203), (4257, 4642)]