12480948

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1$

素因数の和:357

約数の個数: 72

約数和(自身を含む): 33808320

約数和(自身を除く): 21327372

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 71, 76, 114, 142, 171, 213, 228, 257, 284, 342, 426, 514, 639, 684, 771, 852, 1028, 1278, 1349, 1542, 2313, 2556, 2698, 3084, 4047, 4626, 4883, 5396, 8094, 9252, 9766, 12141, 14649, 16188, 18247, 19532, 24282, 29298, 36494, 43947, 48564, 54741, 58596, 72988, 87894, 109482, 164223, 175788, 218964, 328446, 346693, 656892, 693386, 1040079, 1386772, 2080158, 3120237, 4160316, 6240474, 12480948]

約数ペア:

[(1, 12480948), (2, 6240474), (3, 4160316), (4, 3120237), (6, 2080158), (9, 1386772), (12, 1040079), (18, 693386), (19, 656892), (36, 346693), (38, 328446), (57, 218964), (71, 175788), (76, 164223), (114, 109482), (142, 87894), (171, 72988), (213, 58596), (228, 54741), (257, 48564), (284, 43947), (342, 36494), (426, 29298), (514, 24282), (639, 19532), (684, 18247), (771, 16188), (852, 14649), (1028, 12141), (1278, 9766), (1349, 9252), (1542, 8094), (2313, 5396), (2556, 4883), (2698, 4626), (3084, 4047)]