19955928

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{409}}^1$

素因数の和:544

約数の個数: 64

約数和(自身を含む): 53136000

約数和(自身を除く): 33180072

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 107, 114, 152, 214, 228, 321, 409, 428, 456, 642, 818, 856, 1227, 1284, 1636, 2033, 2454, 2568, 3272, 4066, 4908, 6099, 7771, 8132, 9816, 12198, 15542, 16264, 23313, 24396, 31084, 43763, 46626, 48792, 62168, 87526, 93252, 131289, 175052, 186504, 262578, 350104, 525156, 831497, 1050312, 1662994, 2494491, 3325988, 4988982, 6651976, 9977964, 19955928]

約数ペア:

[(1, 19955928), (2, 9977964), (3, 6651976), (4, 4988982), (6, 3325988), (8, 2494491), (12, 1662994), (19, 1050312), (24, 831497), (38, 525156), (57, 350104), (76, 262578), (107, 186504), (114, 175052), (152, 131289), (214, 93252), (228, 87526), (321, 62168), (409, 48792), (428, 46626), (456, 43763), (642, 31084), (818, 24396), (856, 23313), (1227, 16264), (1284, 15542), (1636, 12198), (2033, 9816), (2454, 8132), (2568, 7771), (3272, 6099), (4066, 4908)]