19785156

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{811}}^1$

素因数の和:944

約数の個数: 48

約数和(自身を含む): 49109760

約数和(自身を除く): 29324604

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 107, 114, 214, 228, 321, 428, 642, 811, 1284, 1622, 2033, 2433, 3244, 4066, 4866, 6099, 8132, 9732, 12198, 15409, 24396, 30818, 46227, 61636, 86777, 92454, 173554, 184908, 260331, 347108, 520662, 1041324, 1648763, 3297526, 4946289, 6595052, 9892578, 19785156]

約数ペア:

[(1, 19785156), (2, 9892578), (3, 6595052), (4, 4946289), (6, 3297526), (12, 1648763), (19, 1041324), (38, 520662), (57, 347108), (76, 260331), (107, 184908), (114, 173554), (214, 92454), (228, 86777), (321, 61636), (428, 46227), (642, 30818), (811, 24396), (1284, 15409), (1622, 12198), (2033, 9732), (2433, 8132), (3244, 6099), (4066, 4866)]