19561192

素因数分解:

$2^3\times 7^2\times {\mathrm{139}}^1\times {\mathrm{359}}^1$

素因数の和:518

約数の個数: 48

約数和(自身を含む): 43092000

約数和(自身を除く): 23530808

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 139, 196, 278, 359, 392, 556, 718, 973, 1112, 1436, 1946, 2513, 2872, 3892, 5026, 6811, 7784, 10052, 13622, 17591, 20104, 27244, 35182, 49901, 54488, 70364, 99802, 140728, 199604, 349307, 399208, 698614, 1397228, 2445149, 2794456, 4890298, 9780596, 19561192]

約数ペア:

[(1, 19561192), (2, 9780596), (4, 4890298), (7, 2794456), (8, 2445149), (14, 1397228), (28, 698614), (49, 399208), (56, 349307), (98, 199604), (139, 140728), (196, 99802), (278, 70364), (359, 54488), (392, 49901), (556, 35182), (718, 27244), (973, 20104), (1112, 17591), (1436, 13622), (1946, 10052), (2513, 7784), (2872, 6811), (3892, 5026)]