19319769

素因数分解:

$3^3\times 7^2\times {\mathrm{17}}^1\times {\mathrm{859}}^1$

素因数の和:899

約数の個数: 48

約数和(自身を含む): 35294400

約数和(自身を除く): 15974631

約数列:

[1, 3, 7, 9, 17, 21, 27, 49, 51, 63, 119, 147, 153, 189, 357, 441, 459, 833, 859, 1071, 1323, 2499, 2577, 3213, 6013, 7497, 7731, 14603, 18039, 22491, 23193, 42091, 43809, 54117, 102221, 126273, 131427, 162351, 306663, 378819, 394281, 715547, 919989, 1136457, 2146641, 2759967, 6439923, 19319769]

約数ペア:

[(1, 19319769), (3, 6439923), (7, 2759967), (9, 2146641), (17, 1136457), (21, 919989), (27, 715547), (49, 394281), (51, 378819), (63, 306663), (119, 162351), (147, 131427), (153, 126273), (189, 102221), (357, 54117), (441, 43809), (459, 42091), (833, 23193), (859, 22491), (1071, 18039), (1323, 14603), (2499, 7731), (2577, 7497), (3213, 6013)]