19142865

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{431}}^1$

素因数の和:499

約数の個数: 64

約数和(自身を含む): 39813120

約数和(自身を除く): 20670255

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 47, 63, 105, 135, 141, 189, 235, 315, 329, 423, 431, 705, 945, 987, 1269, 1293, 1645, 2115, 2155, 2961, 3017, 3879, 4935, 6345, 6465, 8883, 9051, 11637, 14805, 15085, 19395, 20257, 27153, 44415, 45255, 58185, 60771, 81459, 101285, 135765, 141799, 182313, 303855, 407295, 425397, 546939, 708995, 911565, 1276191, 2126985, 2734695, 3828573, 6380955, 19142865]

約数ペア:

[(1, 19142865), (3, 6380955), (5, 3828573), (7, 2734695), (9, 2126985), (15, 1276191), (21, 911565), (27, 708995), (35, 546939), (45, 425397), (47, 407295), (63, 303855), (105, 182313), (135, 141799), (141, 135765), (189, 101285), (235, 81459), (315, 60771), (329, 58185), (423, 45255), (431, 44415), (705, 27153), (945, 20257), (987, 19395), (1269, 15085), (1293, 14805), (1645, 11637), (2115, 9051), (2155, 8883), (2961, 6465), (3017, 6345), (3879, 4935)]