19090708

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{293}}^1$

素因数の和:496

約数の個数: 48

約数和(自身を含む): 41489280

約数和(自身を除く): 22398572

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 179, 182, 293, 358, 364, 586, 716, 1172, 1253, 2051, 2327, 2506, 3809, 4102, 4654, 5012, 7618, 8204, 9308, 15236, 16289, 26663, 32578, 52447, 53326, 65156, 104894, 106652, 209788, 367129, 681811, 734258, 1363622, 1468516, 2727244, 4772677, 9545354, 19090708]

約数ペア:

[(1, 19090708), (2, 9545354), (4, 4772677), (7, 2727244), (13, 1468516), (14, 1363622), (26, 734258), (28, 681811), (52, 367129), (91, 209788), (179, 106652), (182, 104894), (293, 65156), (358, 53326), (364, 52447), (586, 32578), (716, 26663), (1172, 16289), (1253, 15236), (2051, 9308), (2327, 8204), (2506, 7618), (3809, 5012), (4102, 4654)]