18956532

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{313}}^1$

素因数の和:437

約数の個数: 72

約数和(自身を含む): 52118976

約数和(自身を除く): 33162444

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 103, 147, 196, 206, 294, 309, 313, 412, 588, 618, 626, 721, 939, 1236, 1252, 1442, 1878, 2163, 2191, 2884, 3756, 4326, 4382, 5047, 6573, 8652, 8764, 10094, 13146, 15141, 15337, 20188, 26292, 30282, 30674, 32239, 46011, 60564, 61348, 64478, 92022, 96717, 128956, 184044, 193434, 225673, 386868, 451346, 677019, 902692, 1354038, 1579711, 2708076, 3159422, 4739133, 6318844, 9478266, 18956532]

約数ペア:

[(1, 18956532), (2, 9478266), (3, 6318844), (4, 4739133), (6, 3159422), (7, 2708076), (12, 1579711), (14, 1354038), (21, 902692), (28, 677019), (42, 451346), (49, 386868), (84, 225673), (98, 193434), (103, 184044), (147, 128956), (196, 96717), (206, 92022), (294, 64478), (309, 61348), (313, 60564), (412, 46011), (588, 32239), (618, 30674), (626, 30282), (721, 26292), (939, 20188), (1236, 15337), (1252, 15141), (1442, 13146), (1878, 10094), (2163, 8764), (2191, 8652), (2884, 6573), (3756, 5047), (4326, 4382)]