2019015430

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{373}}^1\times {\mathrm{919}}^1$

素因数の和:1349

約数の個数: 64

約数和(自身を含む): 3963801600

約数和(自身を除く): 1944786170

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 95, 155, 190, 310, 373, 589, 746, 919, 1178, 1838, 1865, 2945, 3730, 4595, 5890, 7087, 9190, 11563, 14174, 17461, 23126, 28489, 34922, 35435, 56978, 57815, 70870, 87305, 115630, 142445, 174610, 219697, 284890, 342787, 439394, 541291, 685574, 1082582, 1098485, 1713935, 2196970, 2706455, 3427870, 5412910, 6512953, 10626397, 13025906, 21252794, 32564765, 53131985, 65129530, 106263970, 201901543, 403803086, 1009507715, 2019015430]

約数ペア:

[(1, 2019015430), (2, 1009507715), (5, 403803086), (10, 201901543), (19, 106263970), (31, 65129530), (38, 53131985), (62, 32564765), (95, 21252794), (155, 13025906), (190, 10626397), (310, 6512953), (373, 5412910), (589, 3427870), (746, 2706455), (919, 2196970), (1178, 1713935), (1838, 1098485), (1865, 1082582), (2945, 685574), (3730, 541291), (4595, 439394), (5890, 342787), (7087, 284890), (9190, 219697), (11563, 174610), (14174, 142445), (17461, 115630), (23126, 87305), (28489, 70870), (34922, 57815), (35435, 56978)]