18745636

素因数分解:

$2^2\times 7^3\times {\mathrm{13}}^1\times {\mathrm{1051}}^1$

素因数の和:1089

約数の個数: 48

約数和(自身を含む): 41238400

約数和(自身を除く): 22492764

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 343, 364, 637, 686, 1051, 1274, 1372, 2102, 2548, 4204, 4459, 7357, 8918, 13663, 14714, 17836, 27326, 29428, 51499, 54652, 95641, 102998, 191282, 205996, 360493, 382564, 669487, 720986, 1338974, 1441972, 2677948, 4686409, 9372818, 18745636]

約数ペア:

[(1, 18745636), (2, 9372818), (4, 4686409), (7, 2677948), (13, 1441972), (14, 1338974), (26, 720986), (28, 669487), (49, 382564), (52, 360493), (91, 205996), (98, 191282), (182, 102998), (196, 95641), (343, 54652), (364, 51499), (637, 29428), (686, 27326), (1051, 17836), (1274, 14714), (1372, 13663), (2102, 8918), (2548, 7357), (4204, 4459)]